English Acronyms
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2D - 2-Dimensional 3ACC - 3A Central Control 3D - 3-Dimensional 3M - Minnesota Mining and Manufacturing 4GL - Fourth Generation Language 4H - Head, Heart, Hands, Health 5XBCOER - 5 X-Bar Central Office Equipment Reports system, "5XB COER"A
A - Aftermath AA - Administrative Assistant AA - Affirmative Action committee AA - Alcoholics Anonymous AA - American Airlines AA - Antiaircraft Artillery AA - Associate in Accounting AA - Astronomy and Astrophysics, "A&A" AA - Automobile Association (in England) AAA - American Automobile Association AAA - Anti-Aircraft Artillery AAAAAA - Association for the Abolition of Abused Abbreviations and Asinine Acronyms AAAL - American Academy of Arts and Letters AAAS - American Association for the Advancement of Science AAII - American Association of Individual Investors AAMSI - American Association for Medical Systems Informatics AAO - Anglo-Australian Observatory AAP - Affirmative Action Program AARC - Anglo-American Cataloging Rules AARP - Appletalk ARP AAS - American Astronomical Society AAVSO - American Association of Variable Star Observers AAX - Automated Attendant eXchange AB - Able Bodied seaman ABA - American Bar Association ABA - American Basketball Association ABA - American Booksellers Association ABATS - Automatic Bit Access Test System ABBR - ABBReviation ABC - American Broadcasting Company ABEL - Advanced Boolean Expression Language (a Data-I/O Trademark) ABHC - Average Busy Hour Calls ABI - American Bell Inc ABI - Application Binary Interface (SunOS and SV application sw interface std) ABM - Asynchronous Balanced Mode ABS - Acrylonitrile Butadiene-Styrene (plastic) ABS - Alternative Billing Service ABS - American Bureau of Shipping ABSBH - Average Busy Season Busy Hour AC - Access Control AC - Adaptive Control AC - Alternating Current (ac, see also DC) AC - Answer Center (Sun) AC - Ante Christum (before Christ) AC - Ante Cibum (before meals) ACAA - Agricultural Conservation and Adjustment Administration ACAWS - Advisory, Caution, And Warning System ACB - Annoyance Call Bureau ACBL - American Contract Bridge League ACC - Argonne Code Center ACC - Audio Communications Controller ACCRA - American Chamber of Commerce Research Association ACCS - Army Command and Control System ACCS - Automated Calling Card Service ACCT - Account ACD - Automatic Call Distributor [telephony] ACDA - Automatic Call Disposition Analyzer ACE - Advanced Composition Explorer ACE - Advanced Computing Environments [Corporate name] ACE - Automatic Calibration and Equalization ACE - Automatic Calling Equipment ACF - Advanced Communications Functions ACH - Attempt per Circuit per Hour ACHEFT - Automated ClearingHouse Electronic Funds Transfer ACK - ACKnowledge ACK - Amsterdam Compiler Kit ACL - Access Control List ACL - Advanced Cmos Logic ACLU - American Civil Liberties Union ACM - Access Control Machine ACM - Association for Computing Machinery ACO - Acronym Control Officer ACOF - Attendant Control Of Facilities ACP - ACtion Point ACRNEMA - a medical imaging standard, "ACR/NEMA" ACRV - Assured Crew Return Vehicle (or) Astronaut Crew Rescue Vehicle ACS - Advanced Communications System ACS - Australian Computer Science ACSE - Association Control Service Entity (ISO/CCITT layer 7) ACSNET - Acedemic Computing Services NETwork ACSU - Advanced t-1 Channel Service Unit ACTPU - ACTivate Physical Unit (SNA) ACTS - Advanced Communications Technology Satellite ACTS - Automated Coin Toll Service ACTS - Automatic Coin Telephone Service [telephony] ACTUP - AIDS Coalition To Unleash Power, "ACT UP" ACU - Alarm Control Unit ACU - Automatic Calling Unit ACW - Alternating Continuous Waves ACWP - Actual Cost of Work Performed AD - Addendum AD - After Date AD - Analog to Digital converter, "A/D" (see ADC) AD - Anno Domini (in the year of our Lord) AD - Application Development ADA - Air Defense Artillery ADB - A DeBugger ADB - Apple Desktop Bus ADC - Analog to Digital Converter ADCCP - Advanced Data Communications Control Procedure ADCI - Automatic Display Call Indicator ADD - Advanced Dungeons & Dragons, "AD&D" ADDCP - Advanced Data Communication Control Procedure ADEW - Andrew Development Environment Workbench ADF - Automatic Direction Finder ADFRF - Ames-Dryden Flight Research Facility (was DFRF) (NASA) ADI - Anolog Device Inc ADM - ADMiral ADM - Additional Dealer Markup ADM - Advanced Micro Devices ADMD - Administration Management Domain
ADN - Abbreviated Dialing Number
ADP - Adenosine Di-Phosphate
ADP - Administrative Data Processing
ADP - Advanced Data Processing
ADP - Automatic Data Processing
ADPCM - Pulse Code Modulation with Adaptive Quantization
ADS - Advanced Digital System
ADS - Application Development System
ADS - Audio Distribution System
ADS - Automatic Voice System
ADS - Auxilary Data System
ADSP - AppleTalk Data Stream Protocol
ADSR - Attack Decay Sustain Release
ADT - Abstract Data Type
ADT - Atlantic Daylight Time
AE - Application Entity/Environment/Execution/Engineering (APE)
AEA - American Electronics Association
AEA - Atomic Energy Authority
AEC - Architectural Engineering Construction
AEC - Atomic Energy Commission
AEF - American Expeditionary Force (see BEF)
AEGIS - Advanced Electronic Guidance and Instrumentation System
AES - Application Environment Specification
AF - Address Family (sockets)
AF - Adventures in Fantasy
AF - Air Force
AF - Audio Frequency
AFACTS - Automatic FACilities Test System
AFADS - Automatic Force Adjustment Data System
AFATDS - Advanced Field Artillery Tactical Data System
AFB - Air Force Base
AFC - American Football Conference
AFC - Automatic Frequency/Flight Control
AFCAC - Air Force Computer Acquisition Center
AFCC - Air Force Communications Command
AFGE - American Federation of Government Employees
AFI - Authority and Format Identifier
AFIPS - American Federation of Information Processing Societies
AFL - American Federation of Labor
AFL - American Football League
AFLCIO - American Federation of Labor; Congress of Industrial Organizations, "AFL-CIO"
AFM - Adobe Font Metrics
AFNOR - Association Francaise de NORmalization
AFP - Appletalk Filing Protocol
AFS - Andrew File System
AFSC - Air Force Systems Command
AFSCME - American Federation of State, County and Municipal Employees
AFSK - Automatic Frequency Shift Keying
AFTRA - American Federation of Television and Radio Artists
AFUU - Association Francaise des Utilisateurs d'Unix
AG - Adjutant General
AG - Arcade Game
AG - Attorney General
AGCT - Army General Classification Test
AGL - Above Ground Level
AGM - Air-to-Ground Missile
AGN - Active Galactic Nucleus
AGU - American Geophysical Union
AH - Artificial Horizon
AH - Avalon Hill (major war game manufacturer)
AHA - American Homebrew Association
AHL - American Hockey League
AHQ - Air HeadQuarters
AI - Allegheny International
AI - Amnesty International
AI - Anal Intrusion
AI - Artificial Insemination
AI - Artificial Intelligence
AI - Attitude Indicator
AIA - American Institute of Architects
AIA - Application Integration Architecture
AIAA - American Institute of Aeronautics and Astronautics
AIC - Automatic Intercept Center
AICC - Automatic Intercept Communications Controller
AID - Agency for International Development
AIDDE - Ames' Interactive Dynamic Display Editor
AIDS - Acquired ImmunoDeficiency Syndrome
AIM - Air Interception Missile
AIM - Airman's Information Manual
AIMS - Advanced Inventory Management System
AIOD - Automatic Identification Outward Dialing
AIPS - Astronomical Image Processing System
AIS - Action Item System
AIS - Automatic Intercept System
AIX - Advanced Interactive eXecutive (unix)
AJ - Astronomical Journal
AK - Alaska
AKA - Also Known As
AL - Alabama
AL - American League (baseball)
ALA - American Library Association
ALA - Automobile Legal Association
ALAP - AppleTalk-LocalTalk Link Access Protocol
ALBM - Air-to-Land Ballistic Missile
ALBO - Automatic Line BuildOut
ALC - Automatic Load Control
ALEXIS - Array of Low Energy X-ray Imaging Sensors
ALFA - Anonima Lombarda Fabbrica Automobili
ALFE - Analog Line Front End
ALGOL - ALGOrithmic Language
ALI - Automatic Location Indentification
ALIT - Automatic Line Insulation Testing
ALM - Asychronous Line Module
ALM - Asynchronous Line Multiplexer
ALPO - Association of Lunar and Planetary Observers
ALRU - Automatic Line Record Update
ALS - Advanced Launch System [Space]
ALS - Automated List Service
ALU - Arithmetic Logic Unit
AM - Administrative Module
AM - Agricultural and Mechanical, "A&M"
AM - Air Marshal
AM - Alpes-Maritimes, "A.-M."
AM - American, "Am."
AM - Americium, "Am"
AM - Amplitude Modulation
AM - Ante Meridiem, "a.m." (before noon)
AM - anno mundi (in the year of the world)
AMA - American Medical Association
AMA - Association for Model Aviation
AMA - Automatic Message Accounting
AMACS - Automatic Message Accounting Collection System
AMARC - Automatic Message Accounting Recording Center
AMASE - Automatic Message Accounting Standard Entry
AMAT - Automatic Message Accounting Transmitter
AMATPS - Automatic Message Accounting TeleProcessing System
AMBA - Association of Master of Business Administration
AMC - Albany Medical College
AMD - Advanced Micro Devices [Corporate name]
AMERITECH - AMERican Information TECHnologies
AMEX - AMerican EXpress
AMI - American Micro System Inc
AMORC - Ancient Mystic Order Rosae Crucis
AMP - Adenosine MonoPhosphate
AMPAS - Academy of Motion Picture Arts and Sciences
AMPS - Advanced Mobile Phone Service
AMRAAM - Advanced Medium Range Air-To-Air Missile
AMROC - American Rocket Company [Space]
AMSAT - radio AMateur SATellite corp.
AMT - Active Memory Technology
AMU - Atomic Mass Unit
AMVET - AMerican VETeran
AN - Associated Number
ANA - American Nurses Association
ANA - Automatic Number Announcement
ANAC - Automatic Number Announcement Circuit [telephony]
ANC - All Number Calling [telephony]
ANC - American Network Communications
ANC - Army Nurse Corps
ANDF - Architecture-Neutral Distribution Format
ANF - Automatic Number Forwarding
ANG - Air National Guard
ANI - Automatic Number Identification [telephony]
ANIF - Automatic Number Identification Failure
ANL - Argonne National Laboratory
ANOVA - ANalysis Of VAriance
ANPA - American Newspaper Publishers Association
ANSI - American National Standards Institute
ANU - Australian National University
ANZUS - Australia, New Zealand, United States
AO - Account Of
AOA - Abort Once Around (Shuttle abort plan)
AOCS - Attitude and Orbit Control System
AOL - Absent Over Leave (see AWOL)
AOP - Annual Operating Plan
AOPA - Aircraft Owners and Pilots Association
AOQ - Average Outgoing Quality
AOS - Academic Operating System
AOS - Alternate Operator Service [telephony]
AOSS - Auxilliary Operator Service System
AOW - Asia and Oceania Workshop
AP - Accounts Payable, "A/P"
AP - Additional Premium
AP - All Points
AP - Application Process
AP - Associated Press
AP - Attached Processor
APA - All Points Addressable
APB - All Points Bulletin
APC - AMARC Protocol Converter
APDA - Apple Programmers and Developers Association
APDU - Application Protocol Data Unit
APE - APplication Engineering
APG - Aberdeen Proving Ground
API - American Petroleum Institute
API - Application Program Interface
API - Application Programming Interface
APICS - American Production and Inventory Control Society
APJ - Astrophysical Journal, "Ap.J", "ApJ"
APM - Attached Pressurized Module (a.k.a. Columbus)
APO - Alpha Pi (?) Omega, service fraternity
APO - Army Post Office
APP - Application Portability Profile
APPC - Advanced Peer-to-Peer Communications
APPC - Advanced Program-to-Program Communication (IBM)
APR - Annual Percentage Rate
APS - Automatic Protection Switch
APSE - Ada Programming Support Environment
APU - Auxiliary Power Unit
AQ - Accumulator-Quotient register
AQL - Acceptable Quality Level
AR - Accounts Receivable, "A/R"
AR - Address Register
AR - Alarm Report
AR - Arkansas
ARAMIS - American Rheumatic Arthritis Medical Information System
ARC - American Red Cross
ARC - Ames Research Center (NASA)
ARC - Audio Response Controller
ARCNET - Attached Resource Computer local area NETwork
ARCO - Atlantic Richfield COmpany
ARIS - Audichron Recorded Information System
ARM - Acorn Risc Machine
ARM - Adjustable Rate Mortgage
ARM - Annotated Reference Manual
ARO - After Receipt of Order
ARP - Address Resolution Protocol (Internet->Ethernet)
ARPA - Advanced Research Projects Agency (of the DoD, see DARPA)
ARPANET - Advanced Research Projects Agency NETwork
ARQ - Automatic Repeat reQuest
ARRL - Amateur Radio Relay League
ARS - Alternate Route Selection
ARSA - Airport Radar Service Area
ARSB - Automated Repair Service Bureau
ARTCC - Air Route Traffic Control Center
ARTEMIS - Advanced Relay TEchnology MISsion
ARU - Audio Response Unit
ARV - American Revised Version
AS - Anglo-Saxon
ASA - Acetyl Salicylic Acid
ASA - American Standards Association (now ANSI)
ASA - Astronomical Society of the Atlantic
ASAIGAC - As Soon As I Get A Chance
ASAP - As Soon As Possible
ASC - Accredited Standards Committee
ASC - Additional Sense Code
ASCAP - American Society of Composers, Authors, and Publishers
ASCC - Automatic Sequence-Controlled Calculator
ASCII - American Standard Code for Information Interchange
ASCQ - Additional Sense Code Qualifier
ASDIC - Anti-Submarine Detection Investigation Committee (British for sonar)
ASDSP - Application-Specific Digital Signal Processor
ASG - Automated Sciences Group
ASHRAE - Amer. Soc. of Heating, Refrigerating and Air-cond. Engineers, inc.
ASI - Agenzia Spaziale Italiano
ASI - Asynchronous SCSI Interface
ASI - Automatic System Installation
ASIC - Application Specific Integrated Circuit
ASK - Amplitude Shift Keying
ASM - American Society of Metals
ASME - American Society of Mechanical Engineers
ASN - Abstract Syntax Notation
ASN1 - Abstract Syntax Notation One, "ASN.1"
ASOC - Administrative Service Oversight Center
ASP - Aggregated Switch Procurement
ASP - Appletalk Session Protocol
ASPEN - Automatic System for Performance Evaluation of the Network
ASR - Airport Surveillance Radar
ASRM - Advanced Solid Rocket Motor
ASRS - Aviation Safety Reporting System
ASSR - Autonomous Soviet Socialist Republic
AST - Applied System Technology
AST - Asyncronous System Trap
AST - Atlantic Standard Time
ASTM - American Society of Testing and Materials
ASV - American Standard Version
AT - Access Tandem
AT - Atlantic Time
ATA - AT Attachment
ATA - Airport Traffic Area
ATA - Automatic Trouble Analysis
ATACC - Advanced Tactical Air Command Central
ATB - Advanced Technology Bomber (stealth bomber)
ATB - All Trunks Busy
ATC - Air Traffic Control
ATC - Atsugi Technical Center
ATC - Automatic Transmission Control
ATDRS - Advanced Tracking and Data Relay Satellite
ATE - Automatic Test Equipment
ATF - Advanced Technology Fighter
ATH - Abbreviated Trouble History
ATI - Automatic Test Inhibit
ATIS - Atherton Tools Interface Specification
ATIS - Automatic Terminal Information Service
ATIS - Automatic Transmitter Identification System
ATK - Andrew ToolKit
ATLAS - Atmospheric Laboratory for Applications and Science
ATM - Adobe Type Manager
ATM - Amateur Telescope Maker
ATM - Automatic Teller Machine
ATM - Asynchronous Transfer Mode
ATMS - Automated Trunk Measurement System
ATN - Automated Test Network
ATO - Abort To Orbit (Shuttle abort plan)
ATOMS - AT&t Optimized Materials Simulator
ATP - Adenosine TriPhosphate
ATP - Airline Transport Pilot (highest grade of pilot certificate)
ATP - All Tests Pass
ATP - Appletalk Transaction Protocol
ATP2 - AppleTalk Phase 2
ATPCO - Airline Tariff Publishing COmpany
ATR - Alternate Trunk Routing
ATRS - Automated Trouble Reporting System
ATS - Automated Test System
ATT - American Telephone & Telegraph, "AT&T"
ATTC - Automatic Transmission Test and Control circuit
ATTCOM - American Telephone & Telegraph COMmunications
ATTIS - American Telephone & Telegraph Information Systems
ATV - All Terrain Vehicle
AU - Arithematic Unit
AU - Astronomical Unit (93,000,000 miles) [Space]
AUDIX - AUDio Information eXchange
AUI - Attachment Unit Interface
AUP - Acceptable Use Policy
AURA - Association of Universities for Research in Astronomy
AUS - Army of the United States
AUTODIN - AUTOmatic DIgital Network
AUTOSEVCOM - AUTOmatic SEcure Voice COMmunications
AUTOVON - AUTOmatic VOice Network
AUX - Apple UniX
AUXF - AUXillary Frame
AV - AudioVisual
AVD - Alternate Voice Data
AVLIS - Atomic Vapor Laser Isotope Separation
AWACS - Airborne Warnings And Control Systems
AWEA - American Wind Energy Association
AWG - American Wire Gauge
AWK - al Aho, peter Weinberger, brian Kernighan (pattern scanning language)
AWOL - Absent WithOut Leave (also Absent Without Official Leave) (see AOL)
AWST - Aviation Week and Space Technology (a.k.a. AvLeak), "AW&ST"
AXAF - Advanced X-ray Astrophysics Facility [Space]
AY - Arther Young
AZ - ArizonaB
B - Book B - Byte B - bit, "b" B6ZS - Bipolar with 6 Zero Subsitution B911 - Basic 911 BA - Bachelor of Arts BACH - Business Alliance for Commerce in Hemp BAFO - Best And Final Offer BALUN - BALanced to UNbalanced BAMAF - BELLCORE AMA Format BANCS - Bell Administrative Network Communications System BAPCO - Bellsouth Advertising & Publishing COmpany BARRNET - Bay Area Regional Research Network, "BARRNet" (SF Bay Area) BASH - Bourne-Again SHell BASIC - Beginner's All-purpose Symbolic Instruction Code BATSE - Burst And Transient Source Experiment (on GRO) BB - Bases on Balls BB - Best of Breed BB - Bunnies and Burrows BBA - Bachelor of Business Administration BBB - Better Business Bureau BBC - British Broadcasting Corporation BBL - Barrel BBN - Bolt, Beranek, and Newman [Corporate name] BBXRT - Broad-Band X-Ray Telescope (ASTRO package) BC - Battlecars BC - Before Christ BC - British Columbia BCBS - Blue Cross/Blue Shield, "BC/BS" BCC - Blind/Blank Carbon Copy BCC - Blocked Call Cleared BCC - Block Check Character BCD - Bad Conduct Discharge BCD - Binary Coded Decimal BCD - Blocked Call Delayed BCDIC - Binary Coded Decimal Interchange Code BCE - Before the Common Era (substitute for BC) BCP - Binary Communications Protocol BCP - Byte Controlled Protocols BCPL - Basic Combined Programming Language BCR - Bell Communications Research BCS - Bachelor of Commercial Science BCS - Batch Change Supplement BCS - Binary Compatibility Standard (ABI for Motorola chips) BCS - Boston Computer Society BCS - British Computer Society BCS - Basic Combined Subset BCWP - Budgeted Cost of Work Performed BCWS - Budgeted Cost of Work Scheduled BD - Bachelor of Divinity BD - Bank Draft BD - Bills Discounted BDA - Battle Damage Assessment BDA - Bomb Damage Assessment BDC - Boston Development Center BDD - Basic Dungeons & Dragons, "BD&D" BDF - Binary Distribution Format BDF - Bitmap Description Format (Adobe) BDF - Bitmap Distribution Format BDT - Billing Data Transmitter BDT - Bulk Data Transfer BE - Back End BE - Bill of Exchange BEA - Bureau of Economic Analysis BEAV - Binary Editor And Viewer BECAUSE - BEnchmark of Concurrent Architectures for their Use in Scientific Engineering BED - Hanscom Field, Bedford MA BEF - Band Elimination Filter BEF - British Expeditionary Force (see AEF) BELLCORE - BELL COmmunications REsearch BEM - Bug Eyed Monster BENELUX - BElgium, NEtherlands, and LUXembourg BER - Basic Encoding Rules BER - Bit Error Rate BERT - Bit Error Rate Test BEST - Borland Enhanced Support and Training BETRS - Basic Exchange Telecommunications Radio Service BF - Brought Forward BFA - Bachelor of Fine Arts BFD - Big F***ing Deal BFHD - Big Fat Hairy Deal BFR - Biennial Flight Review BGP - Border Gateway Protocol BH - Black Hole BH - Boot Hill BHA - Butylated HydroxyAnisole BHC - Busy Hour Calls BHP - Brake HorsePower BHT - Butylated HydroxyToluene BI - Backplane Interconnect BI - Bus Interconnect BICS - Building Industry Consulting Services [telephony] BID - Bis In Die (twice a day) BIMA - Berkeley Illinois Maryland Array BIND - Berkeley Internet Name Daemon BIOC - Break Into Other Computers BIOS - Basic Input Output System BIS - Business Information System BISDN - Broadband Integrated Services Digital Network, "B-ISDN" BISP - Business Information System Program BISYNC - Binary Synchronous Communications, "BiSync" (BSC is preferred) [IBM] BIT - Binary digIT BIT - Bipolar Integrated Technology Inc BITNET - Because-It's-Time NETwork BITS - Biotechnology Information Toolkit Software BIU - Bus Interface Unit BIX - Byte Information eXchange BL - Bill of Loading BLAS - Basic Linear Algebra Subroutines BLAST - BLocked ASynchronous Transmission BLDS - Busy Line/Don't Answer, "BL/DS"
BLER - Block Error Rate
BLERT - BLock Error Rate Test
BLF - Busy Lamp Field [telephony]
BLF - Busy Line Field
BLM - Bureau of Land Management
BLOBS - Binary Large OBjectS
BLS - Bureau of Labor Statistics
BLS - Business Listing Service
BLT - BLock Transfer
BLT - Bacon, Lettuce, and Tomato
BLV - Busy Line Verification
BM - Basal Metabolism
BM - Bowel Movement
BM - Breakdown Maintenance
BMA - Bank Marketing Association
BMEWS - Ballistic Missile Early Warning
BMG - Bloomington, IN
BMI - Broadcast Music Inc.
BMO - Ballistic Missile Office
BMOC - Big Man On Campus
BMP - Benchmark Plan
BMR - Basal Metabolism Rate
BNC - Bayonet Navy Connector
BNC - Bayonet Neill Concelman (connector) [electronics] (see also TNC)
BNC - Berkley Nucleonics Corporation
BNC - British Naval Connectors
BNET - Berkeley NETworking
BNF - Bachus-Naur Form
BNFL - British Nuclear Fuels Ltd
BNRCVUUCP - Batch News ReCeive Via UUCP
BNS - Billed Number Screening
BNSC - British National Space Centre
BNU - Basic Networking Utilities (AT&T's name for HoneyDanBer UUCP)
BO - Body Odor
BO - Branch Office
BO - Buyer's Option
BOC - Bell Operating Company
BOD - Board Of Directors
BOF - Birds Of a Feather
BOM - Bill Of Materials
BOQ - Bachelor Officers' Quarters
BOR - Basic Output Report
BORSCHT - Battery, Overvoltage, Ringing, Supervision, Coding, Hybrid Test
BOS - Boston MA
BOS - Business Office Supervisor
BOSIX - Biin Open System Interface eXtension
BOSS - Billing and Order Support System
BOT - Beginning Of Tape
BP - Blood Pressure
BP - British Petroleum
BP - British Pharmacopoeia
BPI - Bits Per Inch, Blocks Per Inch, Bytes Per Inch
BPOC - Bell Point Of Contact
BPOE - Benevolent and Protective Order of Elks
BPPS - Basing-Point Pricing System
BPS - Bits/Bytes Per Second
BPSS - Basic Packet-Switching Service
BR - Bills Receivable
BR - British Rail
BRAT - Business Residence Account Tracking system
BRC - Business Reply Card
BRCS - Business Residence Custom Service
BRI - Basic Rate Interface
BRIEF - Basic Reconfigurable Interactive Editing Facility
BRL - Ballistics Research Lab
BRL - army Ballistic Research Laboratory
BRM - Basic Remote Module
BRS - Bibliographic Retrieval Service
BS - Bachelor of Science
BS - Back Space
BS - Banded Signaling
BS - Bill of Sale
BS - Bill of Sale, "B/S"
BS - British Standards
BSA - Basic Serving Arrangements
BSA - Birmingham Small Arms
BSA - Boy Scouts of America
BSBH - Busy Season Busy Hour
BSC - Bachelor of SCience, "BSc"
BSC - Binary Synchronous Communication
BSC - Binary Synchronous Communications (also sometimes BiSync) [IBM]
BSC - Business Service Center
BSCM - BiSynchronous Communications Module
BSD - Berkeley Software Distribution
BSE - Basic Service Element
BSF - Bell Shock Force
BSI - British Standards Institute
BSMTP - Batched SMTP
BSN - Bachelor of Science in Nursing
BSOC - Bell Systems Operating Company
BSP - Bell System Practice
BSRFS - Bell System Reference Frequency Standard
BSS - Basic Synchronized Subset
BSS - Block Started by Symbol (IBM assembly-language)
BST - Basic Services Terminal
BSTJ - Bell System Technical Journal
BSW - Boston Software Works
BT - Bus Terminator
BTAM - Basic Telecommunications Access Method [IBM]
BTHU - British Thermal Unit, "BThU" (BTU, q.v., is preferred)
BTL - Backplane Transceiver Logic
BTL - Bell Telephone Laboratories
BTN - Billing Telephone Number
BTO - Bachman Turner Overdrive
BTOL - Better Than Open Look
BTS - Board Tracking System
BTU - British Thermal Unit
BTW - By The Way [net jargon]
BU - Bushido
BU - Business Units
BURP - Brewers United for Real Potables
BUS - Basic Utility System
BUT - Board Under Test
BV - Blessed Virgin
BVA - Billing Validation Application
BVC - Billing Validation Center
BVY - Beverly MA
BW - Business Wire
BWC - BandWidth Compression
BWI - Baltimore-Washington International (airport)
BWI - British West Indies
BWM - Broadcast Warning Message
BWT - Broadcast Warning TWX
BWTS - BandWidth Test Set
BX - Base eXchange (see also PX)
BYU - Brigham Young UniversityC
C - Copper C - programming language, successor to BCPL CA - CAble CA - California CA - Chartered Accountant CA - Chief Accountant CA - Chronological Age CA - Collision Avoidance (as in CSMA/CA (q.v.)) CAA - Civil Aviation Authority (U.K.) CAB - Civil Aeronautics Board CABS - Carrier Access Billing System CAC - Calling-card Authorization Center CAC - Carrier Access Code CAC - Circuit Administration Center CAC - Customer Administration Center CACM - Communications of the Association for Computing Machinery CAD - Computer Aided Design (sometimes seen as CAD/CAM) CAD - Computer-Aided Dispatch CADD - Computer-Aided Design and Drafting CADV - Combined Alternate Data/Voice CAE - Common Application Environment CAE - Computer-Aided Education CAE - Computer-Aided Engineering CAFE - Corporate Average Fuel Economy CAGR - Compound Annual Growth Rate CAI - Call Assembly Index CAI - Computer Aided Instruction CAI - Computer Application Inc CAI - Computer Assisted Instruction CAIS - Colocated Automatic Intercept System CAIS - Common Apse Interface Specification CALRS - Centralized Automatic Loop Reporting System CALS - Computer-aided Acquisition and Logistics Support CAM - Common Access Method (SCSI) CAM - Computer Aided Management CAM - Computer Aided Manufacturing (sometimes seen as CAD/CAM) CAM - Computer-Aided Manufacturing CAM - Content Addressable Memory CAMA - Centralized Automatic Message Accounting CAMAC - Computer Automated Measurement And Control CAMM - Computer Assisted Material Management CAMM - Content and Media Management CAMP - Campaign Against Marijuana Planting CAMRA - CAMpaign for Real Ale CAN - Campus Area Network CAP - Civil Air Patrol CAP - Columbia Appletalk Package CAP - Computer Aided Publishing CAPP - Computer Aided Process Planning CAPTAIN - Character And Pattern Telephone Access Information Network CAR - Computer Access & Retrieval CAR - Contents of the Address part of the Register CAROT - Centralized Automatic Reporting On Trunks CART - Championship Auto Racing Teams CAS - Circuit Associated Signaling CAS - Communicating Application Specification CAS - Computerized Autodial System CASE - Common Application Service Element CASE - Computer Aided Software Engineering CASSIS - Classification and Search Support Information System CAT - Computer Assisted Typesetter CAT - Computer-Aided Tomography CAT - Craft Access Terminal CAT - Customer Acceptance Test CAT - conCATenate CATIS - Common Applications and Tools Integration Services CATLAS - Centralized Automatic Trouble Locating and Analysis System CATV - Community Antenna TeleVision CAU - Connection Arrangement Unit CAV - Constant Angular Velocity CAVU - Ceiling And Visibility Unlimited CB - Citizens Band radio CBC - Canadian Broadcasting Corporation CBD - Cash Before Delivery CBD - Central Business District CBD - Commerce Business Daily CBDS - Connectionless Broadband Data Service CBEMA - Computer & Business Equipment Manufacturers Association CBI - Computer Based Instruction CBR - Chemical, Biological, Radiological warfare CBS - Columbia Broadcasting System CBS - CrossBar Switching CBW - Chemical and Biological Warfare CBX - Computerized Branch eXchange CC - Carbon Copy CC - Center Conductor CC - Central Control CC - Common Control CC - Cost Center CC - Country Code CC - C Compiler CC - Cluster Controller CCA - Computer Corporation of America [Corporate name] CCAFS - Cape Canaveral Air Force Station CCC - Canadian Committee on Cataloging CCC - Central Control Complex CCC - Ceramic Chip Carriers CCC - Civil(ian) Conservation Corps CCC - Command, Control, and Communications (sometimes C^3) CCC - Computer Control Center CCC - Concourse Computer Center [MIT] CCCCM - CCC CounterMeasures (sometimes C^3CM) CCCI - Command, Control, Communications, and Intelligence
CCD - Charge Coupled Device (see CID)
CCD - Computer-Controlled Display
CCDS - Centers for the Commercial Development of Space
CCH - Connections per Circuit per Hour
CCI - Computer Carrier Interrupt
CCI - Computer Consoles, Incorporated
CCIM - Certified Commercial Investment Member
CCIP - Continuously Computed Impact Point
CCIR - Comite' Consultatif International des Radio Communications
CCIS - Common Channel Interoffice Signaling [telephony]
CCITT - Comite' Consultatif International Telegraphique et Telephonique
CCITT - International Consultative Committee for Telegraphy and Telephony
CCL - Console Command Language
CCNC - Common Channel Network Controller
CCNC - Computer/Communications Network Center
CCR - Commitment, Concurrency, and Recovery
CCR - Covenants, Conditions, and Restrictions
CCR - Creedence Clearwater Revival
CCR - Customer-Controlled Reconfiguration
CCRP - Continuously Computed Release Point
CCS - Common Channel Signaling
CCS - Common Command Set (SCSI)
CCS - Hundred (C) Call Seconds
CCSA - Common Control Switching Arrangement [telephony]
CCT - Central Control Terminal
CCTA - Central Computer and Telecommunications Agency
CCTAC - Computer Communications Trouble Analysis Center
CCTV - Closed Circuit TeleVision
CCU - COLT Computer Unit
CCV - Calling Card Validation
CCW - Counter ClockWise
CD - Carrier Detect (properly DCD (q.v.))
CD - Certificate of Deposit
CD - Civil Defense
CD - Collision Detection (as in CSMA/CD (q.v.))
CD - Compact Disk
CDA - Call Data Accumulator
CDA - Coin Detection and Announcement
CDA - Compound Documents Architecture
CDAR - Customer Dialed Account Recording
CDB - Command Descriptor Block
CDB - Customer Distributed Buglist
CDC - Centers for Disease Control
CDC - Control Data Corporation, inc. [Corporate name]
CDCF - Cumulative Discounted Cash Flow
CDEV - Control panel DEVice
CDF - Combined Distributing Frame
CDF - Context-Dependent File
CDI - Circle Digit Identification
CDI - Course Deviation Indicator
CDIAC - Carbon Dioxide Information Analysis Center
CDO - Community Dial Office
CDP - Career Development Program
CDPR - Customer Dial Pulse Receiver
CDR - Call Dial Rerouting
CDR - CommanDeR
CDR - Contents of the Decrement part of the Register
CDR - Critical Design Review
CDROM - Compact Disk Read Only Memory, "CD-ROM"
CDS - Craft Dispatch System
CDSF - Commercially Developed Space Facility
CDT - Call Data Transmitter
CDT - Central Daylight Time
CDU - Control Display Unit
CE - Chemical Engineer
CE - Civil Engineer
CE - Common Era (substitute for AD)
CE - Corps of Engineers
CE - Customer Engineer
CEA - Commissariat a l'Energie Atomique, France
CEA - Council of Economic Advisors
CEA - County Education Authority
CEC - Commission of the European Communities
CED - Committee for Economic Development
CEERT - Coalition for Energy Efficiency and Renewable Technologies
CEF - Cable Entrance Facility
CEI - Comparably Efficient Interconnection
CELSS - Controlled Ecological Life Support System [Space]
CEN - Centre d'Etudes Nucleaires
CENS - Centre d'Etudes Nucleaires de Seclay
CENTO - CENtral Treaty Organization
CEO - Chief Executive Officer
CERMET - Ceramic Metal Element
CERN - organisation (formerly Conseil) Europeenne pour la Recherche Nucleaires
CERT - Computer Emergency Response Team
CET - Central European Time
CEV - Controlled Environment Vault
CEVI - Common Equipment Voltage Indicator
CF - Carry Forward
CF - Coin First payphone [telephony]
CFA - Center For Astrophysics
CFB - Color Frame Buffer
CFC - Chloro-FluoroCarbon [chemical]
CFC - Combined Federal Campaign
CFCA - Communications Fraud Control Association
CFD - Computational Fluid Dynamics
CFF - Columbus Free Flyer
CFHT - Canada-France-Hawaii Telescope
CFI - Certificated Flight Instructor
CFI - Cost, Freight, and Insurance
CFL - Canadian Football League
CFO - Chief Financial Officer
CFP - Call For Papers
CFR - Code of Federal Regulations
CG - Coast Guard
CG - Commanding General
CGA - Color Graphics Adapter
CGCT - Compagnie Generale de Constructions Telephoniques
CGE - Cincinnati Gas & Electric, "CG&E"
CGE - Compagnie Generale d'Electricite
CGI - Computer Graphics Interface
CGIAR - Consultative Group on International Agricultural Research
CGM - Computer Graphics Metafile
CGN - Concentrator Group Number
CGS - Centimeter-Gram-Second
CGX - Chicago (Meigs) IL
CH - Cardboard Heroes
CH - ClearingHouse
CH - CourtHouse
CH - Customs House
CHA - Champions
CHAP - CHAnnel Processor
CHARA - Center for High Angular Resolution Astronomy
CHARGEN - CHARacter GENerator
CHI - Chill: Adventures into the Unknown
CHOTS - Corporate Headquarters Office Technology System
CHP - California Highway Patrol
CI - Cubic Inches
CIA - Central Intelligence Agency [US Government]
CIAC - Computer Incident Advisory Capability
CIB - Console Interface Board
CIC - Carrier Identification Code
CIC - Coordination and Information Center [CSNet]
CICA - Competition in Contracting Act
CICS - Customer Information Control System [IBM]
CICSVS - Customer Information Control System / Virtual Storage, "CICS/VS"
CID - Central Institute for the Deaf
CID - Charge Injection Device (see CCD)
CID - Computer Integrated Design
CIDIN - Common Icao Data Interchange Network
CIF - Caltech Intermediate Form
CIF - Cost, Insurance and Freight
CII - Call Identity Index
CIM - Computer Integrated Manufacturing
CIMA - Construction Industry Manufacture's Association
CIO - Chief Information Officer
CIP - Chief Income Producer
CIRCA - Center for Instructional and Research Computing Activities
CIRRIS - Cryogenic InfraRed Radiance Instrument for Shuttle
CIS - Chief Income Spender
CIS - Commonwealth of Independent States
CIS - Compuserve Information S?
CIS - Customized Intercept Service
CISC - Complex Instruction Set Computer
CIT - California Institute of Technology
CIT - Case Institute of Technology (part of CWRU, Cleveland, OH)
CIT - Circumstellar Imaging Telescope [Space]
CIT - Computer Integrated Telephony
CIU - Computer Interface Unit
CL - Connection-Less mode
CLASP - Comprehensive Logistics Automated Support Program
CLASS - Centralized Local Area Selective Signaling
CLASS - Custom Local Area Signaling Service
CLDN - Calling Line Directory Number
CLEF - Certified Licensed Evaluation Facility
CLEI - Common-Language Equipment Identification
CLI - Calling Line Ident
CLI - Command Line Interpreter
CLID - Calling Line IDentification
CLLI - Common-Language Location Identification
CLNP - ConnectionLess Network Protocol
CLOS - Common Lisp Object System
CLR - Combined Line and Recording
CLRC - Circuit Layout Record Card
CLS - connectionless server
CLTP - Connectionless Transport Protocol
CLU - Chartered Life Underwriter
CLUT - Color LookUp Table
CLV - Constant Linear Velocity
CM - Command Module (Apollo spacecraft)
CM - Congregation of the Mission
CM - Corrective Maintenance
CMA - Cash Management Account
CMAC - Centralized Maintenance and Administration Center
CMC - Communication Machinery Corporation
CMC - Construction Maintenance Center
CMC - Corporate Management Commitee
CMCC - Central Mission Control Centre (ESA)
CMD - Centralized Message Distribution
CMDF - Combined Main Distributing Frame
CMDS - Centralized Message Data System
CMH - Port Columbus OH
CMI - Champaign-Urbana IL
CMIP - Common Management Information Protocol
CMIS - Common Management Information Service
CMISE - Common Management Information Service Element
CML - Current Model Logic
CMMU - Cache/Memory Management Unit
CMOS - Complimentary-symmetry Metal-Oxide Semiconductor
CMOT - Common Management Information Services and Protocol over TCP/IP
CMRR - Common Mode Rejection Ratio
CMS - Call Management System
CMS - Circuit Maintenance System
CMS - Communications Management Subsystem
CMS - Conversational Monitoring System
CMSGT - Chief Master Sergeant, "CMSgt"
CMT - Cellular Mobile Telephone
CMU - COLT Measurement Unit
CMU - Carnegie-Mellon University
CMW - Compartmented Mode Workstation
CMYK - Cyan, Magenta, Yellow, blacK
CN - Canadian National (railroad) [Corporate name]
CN - Change Notice
CNA - Communications Network Application
CNA - Customer Name / Address, "CN/A" [telephony]
CNA - Customer Name and Address
CNAB - Customer Name/Address Bureau
CNC - Computer Numerical Control
CNCC - Customer Network Control Center
CNES - Centre National d'Etude Spatiales
CNI - Common Network Interface
CNM - Communications Network Management
CNMS - Cylink Network Management System
CNN - Cable News Network
CNO - Carbon-Nitrogen-Oxygen
CNO - Chief of Naval Operations
CNR - Canadian National Railways
CNR - Carrier to Noise Ratio
CNR - Consiglio Nazionale delle Ricerche, Italy
CNRCVUUCP - Compressed News ReCeive Via UUCP
CNS - Central Nervous System
CNS - Complimentary Network Service
CNSR - Comet Nucleus Sample Return
CO - Cash Order
CO - Central Office [telephony]
CO - Colorado
CO - Commanding Officer
CO - Conscientious Objector
CO - in Care Of, "C/O"
COAM - Customer Owned And Maintained
COB - Close Of Business
COBE - COsmic Background Explorer
COBOL - COmmon Business Oriented Language
COC - Call of Cthulhu
COC - Circuit Order Control
COCOM - Coordinating Comittee for Export to Comminist Area
COCOT - Customer-Owned Coin-Operated Telephone [telephony]
COD - Collect On Delivery; Cash On Delivery
CODASYL - Conference On DAta SYstems Languages
CODCF - Central Office Data Connecting Facility
CODEC - COder-DECoder
COE - Center Of Excellence
COE - Central Office Equipment
COEES - COE Engineering System
COER - Central Office Equipment Report
COFF - Common Object File Format
COLA - Cost-Of-Living Allowance
COLT - Central Office Line Tester
COM - Commercial (pilot certificate)
COM - Computer Output Microfilm
COMAS - Central Office Maintenance and Administration System
COMDEX - COMputer Dealer's Exposition
COMM - Communications
COMPACT - COMmercial Product ACquisition Team
COMPTEL - COMPton TELescope (on GRO)
COMS - Complementary Metal Oxide Semiconductor
COMSAT - COMmunications SATellite [Space]
COMSAT - Communications Satellite Corp
CONN - CONNector
CONS - Connection-Oriented Networking Session
CONTAC - Central Office NeTwork ACcess
CONUS - CONtinental United States
COO - Chief Operating Officer
COP - Character-Oriented Protocol
COPS - Computer Oracle and Password System
COQ - Cost Of Quality
CORE - COntrolled Requirement Expression
CORN - COmputer Resource Nucleus
CORNET - CORperate NETwork
COS - Central Office Switch
COS - Corporation for Open Systems
COSINE - Cooperation for Open Systems Interconnection Networking in Europe
COSMIC - COmmon Systems Main InterConnection frame system
COSMIC - COmputer Software Management and Information Center
COSMOS - COmputer System for Mainframe OperationS
COSTAR - Corrective Optics Space Telescope Axial Replacement
COT - Central Office Terminal
COTS - Connection-Oriented Transport (layer) Service
CP - Canadian Pacific
CP - Canadian Press
CP - Chemically Pure
CP - CoPy
CP - Command Post
CP - Command Processor
CP - Control Program
CPA - Certified Public Accountant
CPA - Communications & Public Affairs, "C&PA"
CPC - Cellular Phone Company
CPC - Circuit Provisioning Center
CPD - Central Pulse Distributor
CPE - Customer Premises Equipment
CPE - Customer-Provided Equipment
CPFF - Cost Plus Fixed Fee
CPH - Cost Per Hour
CPI - Characters Per Inch
CPI - Common Programming Interface
CPI - Computer Private branch exchange Interface
CPIO - CoPy In/Out
CPL - Combined Programming Language
CPM - Control Program for Microcomputers (sometimes CP/M)
CPM - Cost Per Minute
CPM - Critical Path Method
CPMP - Carrier Performance Measurement Plan
CPO - Chief Petty Officer
CPO - Chief Post Office
CPO - Customer Premises Equipment
CPP - Cable Patch Panel
CPR - Canadian Pacific Railway
CPS - Characters Per Second
CPSR - Computer Professionals for Social Responsibility
CPT - CaPTain
CPU - Central Processing Unit
CPW - Certified Public Weigher
CQ - Charge of Quarters, Call to Quarter
CQ - Commercial Quality
CR - Carriage Return (ASCII 15 octal)
CRAF - Comet Rendezvous/Asteroid Flyby [Space]
CRAM - Card Random Access Memory
CRAS - Cable Repair Administrative System
CRB - Certified Residential Broker
CRC - Camera Ready Copy
CRC - Chemical Rubber Company
CRC - Civil Rights Commission
CRC - Customer Record Center
CRC - Cyclic Redundancy Check
CRC - Cyclical Redundancy Character
CRD - Customer Required Date
CREG - Concentrated Range Extension with Gain
CREN - Corporation for Research and Educational Networking
CRFC - Customer Return For Credit
CRFMP - Cable Repair Force Management Plan
CRI - Cray Research, Inc.
CRIN - Centre de Recherche en Informatique de Nancy
CRIS - Customer Record Information System
CRISP - Complex-Reduced Instruction Set Processor
CRL - Certificate Revocation List
CRLF - Carriage Return/Line Feed
CRONIC - Colorado Rudimentary Operating Nucleus for Intelligent Controllers (HSC OS)
CROTCH - Computerized Routine for Observing and Testing the Channel Hardware
CRRES - Combined Release / Radiation Effects Satellite
CRS - Centralized Results System
CRSAB - Centralized Repair Service Answering Bureau
CRT - Cathode Ray Tube (also generic reference to a terminal)
CRTC - Canadian Radio-television and Telecommunications Commission
CS - Chivalry & Sorcery, "C&S"
CS - Civil Servant
CS - Computer Science; Computing Science
CS - County Seat
CS - Customer Service
CSA - Canadian Standards Association
CSA - Carrier Serving Area
CSA - Client Service Agent
CSA - Confederate States of America
CSA - Customer Service Administration
CSAB - Computing Sciences Accreditation Board
CSACC - Customer Service Administration Control Center
CSACS - Centralized Status, Alarm and Control System
CSAR - Centralized System for Analysis Reporting
CSC - Cell Site Controller
CSC - Computer Sciences Corporation
CSD - Customer Service Division
CSDC - Circuit Switched Digital Capability
CSE - Common Subexpression Elimination
CSF - Critical Success Factor
CSI - Commercial Systems Integration
CSIRO - Commonwealth Scientific and Industrial Research Organization
CSIS - Canadian Security and Intelligence Service
CSL - Coin Supervising Link
CSM - Command Sergeant Major
CSM - Command and Service Module (Apollo spacecraft)
CSMA - Carrier Sense Multiple Access
CSMACA - Carrier Sense Multiple Access with Collision Avoidance, "CSMA/CA"
CSMACD - Carrier Sense Multiple Access with Collision Detection, "CSMA/CD"
CSN - Computer Systems News (magazine)
CSNET - Computer Science NETwork
CSO - Central Services Organization
CSO - Computing Services Office (UIUC)
CSOC - Consolidated Space Operations Center (at Colorado Springs)
CSP - Control Switching Point
CSPAN - Cable-Satellite Public Affairs Network, "C-SPAN"
CSR - Control and Status Register
CSRG - Computer Systems Research Group
CSRI - Computer Systems Research Institute (U Toronto)
CSRS - Civil Service Retirement System
CSS - Computer Sub-System
CSS - Customer Switching System
CST - Central Standard Time
CSTC - Consolidated Satellite Test Center (USAF)
CSU - Channel Service Unit
CT - Central Time
CT - Communications & Tracking, "C&T"
CT - Computed Tomography
CT - Connecticut
CTC - Canadian Transport Commission
CTC - Central Test Center
CTC - Centralized Traffic Control [railroad]
CTC - Chu-Itoh Techno-Science Co.
CTD - Computing and Telecommunications Division
CTERM - Command TERMinal (DECNET)
CTIO - Cerro Tololo Inter-american Observatory
CTM - Contac Trunk Module
CTMS - Carrier Transmission Measuring System
CTNE - Compania Telefonica Nacional de Espana
CTO - Call Transfer Outside
CTS - Carpal Tunnel Syndrome
CTS - Cartridge Tape Subsystem (Exabyte)
CTS - Clear To Send
CTS - Compatible Timesharing System
CTSS - {Compatible,Chameleon,Cray,Cyber} Time-Sharing System
CTT - Cartridge Tape Transport
CTTC - Cartridge Tape Transport Controller
CTTN - Cable Trunk Ticket Number
CTV - Canadian TeleVision network
CU - Close-Up
CU - Control Unit
CU - Customer Unit
CUA - Common User Access
CUCRIT - Capital Utilization CRITeria
CUL - See You Later [net jargon]
CUNBATCH - Compressed news UNBATCH
CUTK - Common Update/EQuipment system, "CU/TK"
CV - Constant Velocity
CV - Curriculum Vitae
CVCC - Controlled Vortex Combustion Chamber
CVR - Compass Voice Response
CVT - Continuous Variable Transmission
CW - Car Wars
CW - Chemical Warfare
CW - Child Welfare
CW - Churchwarden
CW - Continuous Wave
CWC - City-Wide Centrex
CWI - Centrum voor Wiskunde en Informatica (Centre for Mathematics and Computer Science)
CWO - Cash With Order
CWO - Chief Warrant Officer
CWRU - Case Western Reserve University
CXI - Common X-windows Interface
CY - Calendar Year
CYO - Catholic Youth Organization
CZ - Canal Zone
CZ - Control ZoneD
D - Depth DA - Days after Acceptance DA - Department of Agriculture DA - Deposit Account DA - Desk Accessory (Mac) DA - Digital to Analog converter, "D?A" DA - Directory Assistance (/C = computerized, /M = Microfilm) DA - District Attorney DA - Don't Answer DAC - Design Automation Conference DAC - Digital to Analog Converter DACCS - Digital Access Cross Connect System [telephony] DACS - Digital Access Cross-connect System [telephony] DACS - Directory Assistance Charging System DAD - Draft ADdendum DAIS - Distributed Automatic Intercept System DAMQAM - Dynamically Adaptive Multicarrier Quadrature Amplitude Modulation DAP - Data Access Protocol (DECNET) DAP - Division Advisory Panel [of NSF (q.v.) DNCRI (q.v.)] DAR - Daughters of the American Revolution DARC - Division Alarm Recording Center DARPA - Defense Advanced Research Projects Agency DARU - Distributed automatic intercept system Audio Response Unit DAS - Directory Assistance System DAS - Distributor And Scanner DASD - Direct Access Storage Device DASWDT - Distributor And Scanner-Watch Dog Timer, "DAS-WDT" DAT - Digital Audio Tape DATA - Defense Air Transport Administration DAV - Data Above Voice DAV - Disabled American Veterans DAY - Dayton OH DB - DataBase DB - DeciBels, "db" DB - Dial Box DBA - Data Base Administrator DBA - Doing Business As DBAC - Data Base Administration Center DBAS - Data Base Administration System DBF - DBase Format DBM - DataBase Manager DBME - DataBase Managment Environment DBMS - DataBase Management System (rdbms for Relational) DBRAD - Data Base Relational Application Directory DBS - Duplex Bus Selector DC - Data Cartridge DC - Direct Current, "dc" (see also AC) DC - District of Columbia DCA - Defense Communications Agency DCA - Distributed Communication Architecture DCA - Document Content Architecture DCA - Washington (National) DC DCC - Data Country Code DCC - Descriptive Cataloging Committee DCC - Digital Compact Cassette DCCO - Defense Commercial Communications Office DCCS - DisContiguous Shared Segments DCD - Data Carrier Detect (sometimes CD (q.v.)) DCE - Data Circuit-terminating Equipment DCE - Data Communications Equipment DCE - Distributed Computing Environment DCH - D Channel Handler DCI - Desktop Color Imaging DCL - DEC Control Language DCL - Digital Command Language DCLU - Digital Carrier Line Uint DCM - Digital Carrier Module DCMS - Distributed Call Measurement System DCMU - Digital Concentrator Measurement Unit DCNA - Data Communication Network Architecture DCO - Document Change Order DCP - Distributed Communications Processor DCP - Duplex Central Processor DCPR - Detailed Contuing Property Record (PICS/DCPR) DCPSK - Differential Coherent Phase-Shift Keying DCS - Digital Crosconnect System DCS - Distribution Control System DCT - Digital Carrier Trunk DCTN - Defense Commercial Telecommunications Network DCTS - Dimension Custom Telephone Service DD - Daredevils DD - Data Dictionary DD - Days after Date DD - Demand Draft DD - Dishonorable Discharge DD - Disk Drive DD - Doctor of Divinity DD - Dungeons & Dragons, "D&D" DDA - Digital Differential Analyzer DDA - Domain Defined Attribute DDB - Device Dependent Bitmap DDC - Digital Data Converter DDC - Direct Department Calling DDCMP - Digital Data Communication Message Protocol DDCU - DC-to-DC Converter Unit DDD - Direct Distance Dialing [Telephony; principally US, elsewhere STD] DDE - Dynamic Data Exchange DDJ - Dr. Dobbs Journal DDK - Driver Development Kit (from MS) DDL - Document Description Language DDN - Defense Data Network DDP - Datagram Delivery Protocol DDP - Distributed Data Processing DDPEX - Device Dependent PEX DDS - Dataphone Digital Service [AT&T] DDS - Digital Data Service
DDS - Digital Data Storage (Sony and HP's DAT format)
DDS - Digital Data System
DDS - Digital Dataphone Service
DDS - Direct Digital Service
DDS - Doctor of Dental Surgery; Doctor of Dental Science
DDS - Document Distribution Services
DDS - Dataphone Digital service carrier offering 2.4 - 56 kb/s
DDT - DicholoroDiphenylTricholoroethane
DDX - Digital Data eXchange, Device Dependent X (windows)
DDX - Distributed Data eXchange
DE - Delaware
DE - Disk Enclosure
DEA - Data Encryption Algorithm
DEA - Drug Enforcement Agency
DEAR - Department of Energy Acquisition Regulation
DEBNA - Digital Ethernet BI Network Adapter
DEC - Digital Equipment Corporation [Corporate name]
DECUS - Digital Equipment Computer Users Society
DELNI - Digital Ethernet Local Network Interconnect
DELQA - Digital Ethernet Lowpower Q-bus network Adapter
DELUA - Digital Ethernet Lowpower Unibus network Adapter
DEMPR - Digital Ethernet Multi-Port Repeater
DEPCA - Digital Ethernet Personal Computer-bus Adapter
DEQNA - Digital Ethernet Q-bus Network Adapter
DEREP - Digital Ethernet REPeater
DERP - Defective Equipment Replacement Program
DES - Data Encryption Standard
DESPR - Digital Ethernet Single Port Repeater
DESTA - Digital Ethernet thin-wire STation Adapter
DEUNA - Digital Ethernet Unibus Network Adapter
DEW - Distant Early Warning (as in DEW Line)
DEXEC - Diagnostic EXEc software
DF - Damage Free
DF - Direction Finding
DF - Direction Finding, "D/F"
DFC - Distinguished Flying Cross
DFD - Data Flow Diagram
DFE - Data Flow Editor
DFI - Digital Facility Interface
DFM - Distinguished Flying Medal
DFMS - Digital Facility Management System
DFRF - Dryden Flight Research Facility (now ADFRF)
DFS - Depth-First Search
DFS - Distributed File System
DFT - Discrete Fourier Transform
DFW - Dallas-Ft.Worth (regional airport)
DG - Data General [Corporate name]
DG - Dei Gratia (by the grace of God)
DG - Directional Gyro
DG - Director General
DGA - Direct Graphics Access
DGP - Dissimilar Gateway Protocol
DGSC - Defense General Supply Center
DHHS - Department of Health and Human Services
DHSS - Department of Health and Social Security (British)
DHSS - british Department of Health and Social Security
DIA - Defence Intelligence Agency
DIA - Document Interchange Architecture
DIAD - (magnetic) Drum Information Assembler / Dispatcher
DIAL - Direct Information Access Line
DIAS - Defense Automatic Integrated System
DIB - Device Independent Bitmap
DIB - Directory Information Bases
DIC - Digital Interface Controller
DID - Direct Inward Dialing [telephony]
DIF - Digital Interface Frame
DIF - Document Interchange Format
DIFMOS - Double Injection Floating Gate MOS
DIL - Dual InLine
DILOG - DIstributed LOGic
DIM - Data In the Middle
DIMS - Document Image Management System
DIN - Deutsche Industrie Normenausschuss
DIN - Deutsches Institut fur Normung
DINK - Double Income, No Kids
DIP - Dual Inline Package
DIR - Deliverly & Installation Request
DIRE - Dire Is Really Emacs
DIRT - Design In Real-Time
DIS - Draft International Standard (ISO)
DISA - Direct Inward System Access
DISOSS - DIStributed Office Support System
DIU - Digital Interface Unit
DIV - Division
DIX - DEC, Intel, Xerox (Ethernet hardware levels)
DIY - Do It Yourself
DJ - Disc Jockey
DLA - Defense Logistics Agency
DLC - Data Link Control
DLC - Digital Loop Carrier
DLC - Driver's License Compact (Uniform interstate treatment)
DLCU - Digital Line Carrier Unit
DLE - Data Link Escape
DLG - Digital Line Graph
DLI - Data Link Interface
DLL - Dial Long Lines
DLL - Dynamic Link Library
DLO - Dead Letter Office
DLS - Data Link Control
DLS - Digital Link Service
DLTU - Digital Line/Trunk Unit
DLUPG - Digital Line Unit-Pair Gain, "DLU-PG"
DM - Delta Modulation
DM - Dialog Manager
DM - District Manager
DM - Dungeon Master
DMA - Direct Memory Access
DMD - Directory Management Domain
DMD - Doctor of Dental Medicine
DME - Distance Measuring Equipment
DMI - Digital Multiplexed Interface
DML - Data Manipulation Logic
DMOS - Diffusion Metal Oxide Semiconductor (see MOS)
DMS - Data Management System
DMS - Digital Multiplexed System
DMS - Diskless Management Services
DMSP - Defense Meteorological Satellite Program
DMU - Data Manipulation Unit
DMV - Department of Motor Vehicles
DMZ - DeMilitarized Zone
DN - Directory Number
DNA - DeoxyriboNucleic Acid
DNA - Digital Network Architecture [DEC]
DNC - Direct Numerical Control
DNC - Dynamic Network Controller
DNCRI - [NSF (q.v.)] Division of Networking and Communications Research and Infrastructure
DNHR - Dynamic NonHierarchical Routing
DNI - DECnet Network Interface
DNIC - Data Network Identification Code [telephony]
DNL - Director of Naval Laboratories
DNR - Dialed Number Recorder [telephony]
DNS - Domain Name System
DNX - Dynamic Network X-connect
DOA - Dead On Arrival
DOB - Date Of Birth
DOC - Dynamic Overload Control
DOCS - Display Operator Console System
DOD - Department Of Defense [U.S. Government]
DOD - Department of Defense, "DoD"
DOE - Department Of Energy [U.S. Government]
DOE - Depends On Experience
DOHC - Dual OverHead Camshaft
DOJ - Department Of Justice [U.S. Government]
DOM - Data On Master group
DOMAIN - Distributed Operating Multi Access Interactive Network (Apollo)
DORE - Dynamic Object Rendering Environment
DOS - Disk Operating System
DOT - Department Of Transportation [U.S. Government]
DOTE - Director, Operational Test and Evaluation, "DOT&E"
DOTS - Digital Office Timing Supply
DOV - Data Over Voice [telephony]
DOW - Day Of Week
DP - Data Processing
DP - Demarcation Point
DP - Dial Pulse [telephony]
DP - Displaced Persons (expelled from native land)
DP - Display Postscript
DP - Double Play
DP - Draft Proposal
DPA - Delegation of Procurement Authority
DPAC - Dedicated Plant Assignment Center
DPANS - Draft Proposed American National Standard
DPC - Destination Point Code
DPE - Data Path Extender
DPI - Dots Per Inch
DPM - Defect Per Million
DPM - Digital Panel Meter
DPM - Directional Policy Matrix
DPMI - DOS Protected Mode Interface
DPNPH - Data Packet Network-Packet Handler, "DPN-PH"
DPP - Discounted Payback Period
DPS - Display PostScript
DPSK - Differential Phased-Shift Keying
DQ - Dairy Queen
DQ - Dragon Quest
DQDB - Distributed Queue Dual Bus a reservation-strategy MAN 150 Mb/s
DQL - Database Query Language
DR - Data Ready
DR - Data Receive
DR - Dead Reckoning
DR - Dining Room
DRAM - Dynamic Random Access Memory (as opposed to static RAM)
DRD - Data Reading Device
DRE - Directional Reservation Equipment
DRG - Democratic Republic of Germany (East Germany)
DRI - Defense Research Internet (replaces Arpanet)
DRI - Digital Research, Incorporated [Corporate name]
DRMU - Digital Remote Measurement Unit
DRP - DECnet Routing Protocol
DRS - Data Rate Select (RS-232)
DS - Digital Signal
DS - Digital carrier Span
DS - Direct Signal
DS - Directory Service
DS - Double-Sided
DSA - Dial System Assistance
DSA - Digital Storage Architecture
DSA - Directory Service Agent
DSAB - Distributed Systems Architecture Board
DSBAM - Double-SideBand Amplitude Module
DSC - Document Structuring Conventions
DSCS - Defense Satellite Communications System
DSD - Data Structure Diagram
DSDC - Direct Service Dial Capability
DSE - Data Structure Editor
DSEE - Domain Software Engineering Environment
DSI - Digital Speech Interpolation
DSM - Distinguished Service Medal
DSN - Deep Space Network
DSN - Digital Signal (level) N
DSO - Digital Storage Oscilloscope
DSO - Distinguished Service Order
DSP - Decessit Sine Prole (died without issue)
DSP - Defense Support Program (USAF/NRO)
DSP - Digital Signal Processor; Digital Signal Processing
DSP - Domain-Specific System
DSR - Data Set Ready (RS-232)
DSR - Digital Standard Runoff
DSR - Dynamic Service Register
DSRI - Digital Standard Relational Interface
DSS - Data Station Selector
DSS - Decision Support System
DSS - Direct Station Selection [telephony]
DSSI - Digital Storage Systems Interconnect
DST - Daylight Saving Time
DSTN - Double SuperTwisted Nematic
DSU - Digital Service Unit; Data Service Unit
DSU - Disk Subsystem Unit (Artecon)
DSX - Digital System X-connect
DT - Data Transmit
DT - Delirium Tremens
DT - Di-group Terminal
DTAS - Digital Test Access System
DTB - Data Transfer Bus
DTC - Design To Cost
DTC - Di-group Terminal Controller
DTC - Digital Trunk Controller
DTE - Data Terminal Equipment
DTF - Dial Tone First payphone [telephony]
DTG - Direct Trunk Group
DTI - Department of Trade and Industry (U.K.)
DTIF - Digital Transmission Interface Frame
DTL - Diode Transistor Logic
DTMF - Dial Tone Multi Frequency [telephony]
DTP - DeskTop Publishing
DTR - Data Terminal Ready
DTSS - Dartmouth TimeSharing System
DTU - Demand Transmission Unit
DTU - Di-group Terminal Unit
DU - Decision Unit
DUA - Directory User Agent
DUATS - Direct User Access Terminal System
DUI - Driving Under the Influence
DUT - Device Under Test
DUV - Data Under Voice
DV - Deo Vo lente (God willing)
DVC - Digital Voice Card
DVM - Digital Volt Meter
DVM - Doctor of Veterinary Medicine
DVMA - Direct Virtual Memory Access, see DMA, device uses MMU.
DVMRP - Distance-Vector Multicast Routing Protocol
DVX - Digital Voice eXchange
DW - Dead Weight
DWAPS - Defense Warehousing Automated Processing System
DWB - Designer's WorkBench
DWB - Documenter's WorkBench
DWI - Driving While Intoxicated
DWIM - Do What I Mean
DX - Distance (as in long distance radio communication)
DXT - Data eXtractT facilityE
E - East E - Espionage E911 - Enhanced 911 EAA - Experimental Aircraft Association EADAS - Engineering and Administrative Data Acquisition System EADASNM - Engineering and Administrative Data Acquisition System/Network Management, "EADAS/NM" EADASS - Engineering and Administrative Data AcquiSition System EAEO - Equal Access End Office EAFB - Edwards Air Force Base EARN - European Academic Research Network EAS - Engineering Administration System EAS - Extended Announcement System EAS - Extended Area Service EASD - Equal Access Service Date EASI - Enhanced Asynchronous SCSI Interface EBCDIC - Extended Binary Coded Decimal Interchange Code EBI - Extensive Background Investigations EC - European Community EC - Exchange Carrier [telephony] ECAD - Electronical Computer Aided Design ECAFE - Economic Commission for Africa and the Far East ECAP - Electronic Customer Access Program ECASS - Electronically Controlled Automatic Switching System ECASS - Export Control Automated Support System ECC - Enter Cable Change ECC - Error Checking and Correcting ECC - Error Correction Code ECCM - Electronic Counter-CounterMeasures ECCS - Economic C (hundred) Call Seconds ECD - East Coast Division (Sun) ECDO - Electronic Community Dial Office ECF - Enhanced Connectivity Facility ECG - ElectroCardioGram ECL - Emitter Coupled Logic (see also TTL) ECL - Error Correction Logic ECLSS - Environmental Control and Life Support System [Space] ECM - Electronic Counter Measure ECM - European Common Market ECMA - European Computer Manufacturers Association ECN - Engineering Computer Network (at Purdue) ECO - Ecological ECO - Electronic Central Office ECO - Engineering Change Order ECOM - Electronic Computer Originated Mail, "E-COM" ECPA - Electronic Communication Privacy Act ECPT - Electronic Coin Public Telephone ECR - Engineering Change Request ECS - Electronic Crosconnect System ECS - Environmental Control System ECSA - Exchange Carriers Standards Association ECT - ElectroConvulsive Therapy ECV - Electric Cargo Vehicle [NASA OEXP] EDA - Electronic Design Automation EDAC - Electromechanical Digital Adapter Circuit EDD - Expert Dungeons & Dragons, "ED&D" EDF - Electricite de France EDGAR - Electronic Data Gathering, Analysis, and Retrieval EDI - Electronic Data Interchange EDIF - Electronic Design Interchange Format EDO - Extended Duration Orbiter [Space] EDP - Electronic Data Processing EDS - Electronic Data Systems EDSX - Electronic Digital Signal X-connect EDT - Eastern Daylight Time EDTA - Ethylene Diamine Tetraacetic Acid EDTCC - Electronic Data Transmission Communications Central EE - Electrical or Electronics Engineer EEC - European Economic Community EECT - End-to-End Call Trace EEDP - Expanded Electronic tandem switching Dialing Plan EEG - ElectroEncephaloGram EEHO - Either End Hop Off EEI - Equipment-to-Equipment Interface EEL - Epsilon Extension Language EEM - External Expansion Module (Sun) EEO - Errors and Omissions Excepted, "E&EO" EEPROM - Electrically Erasable Programmable Read Only Memory EFD - Ellington Field, Houston TX EFI - Electronics For Imaging (Co.) EFIS - Electronic Flight Instrumentation System EFRAP - Electronic Feeder Route Analysis Program EFS - Error Free Seconds EG - Exempli Gratia, "e.g." (for example) EGA - Enhanced Graphics Adapter EGP - Exterior Gateway Protocol EGREP - Extended GREP EGRET - Energetic Gamma Ray Experiment Telescope (on GRO) EHF - Extremely High Frequency (30-300GHz) EHP - Error Handling Package EIA - Electronics Industry Association EIN - Employer Identification Number EINE - EINE Is Not Emacs EIS - Environmental Impact Statement EIS - Executive Information Systems EIS - Expanded Inband Signaling EIS - Extended Instruction Set EISA - Extended Industry-Standard Architecture EISB - Electronic Imaging Standards Board EISS - Economic Impact Study System EISS - European Intelligence Support System EITS - Encoded Information TypeS EJASA - Electronic Journal of the Astronomical Society of the Atlantic EKG - ElectroKardioGramm (see ECG) EKTS - Electronic Key Telephone Sets EL - ElectroLuminescent (as in display) ELC - Extra(Excellent) Low Cost ELF - Extensible Linking Format ELF - Extremely Low Frequency ELLE - Elle Looks Like Emacs ELM - ELectronic Mailer ELO - Electric Light Orchestra ELP - Emerson, Lake and Palmer (or Powell) ELT - Emergency Locator Transmitter ELV - Expendable Launch Vehicle [Space] EM - Engineering Model EM - Enlisted Man (see EW) EM - ``Ear & Mouth''; recEive & transMit leads of a signalling system, "E&M" EMA - Electronic Mail Association EMA - Enterprise Management Architecture (DEC) EMACS - Editor MACroS; Eight Megabytes And Constantly Swapping EMAIL - Electronic MAIL, "E-MAIL" EMC - ElectroMagnetic Compatibility EMF - ElectroMotive Force EMI - ElectroMagnetic Interference EML - Expected Measured Loss EMP - ElectroMagnetic Pulse EMPRESS - EnvironMental Pulse Radiation Environment Simulator for Ships EMR - ElectroMagnetic Response EMS - Electronic Message System EMS - Element Management System EMS - Extended Memory Specification EMS - Element Management System, part of AT&T's UNMA EMT - Emergency Medical Technician EMU - ElectroMagnetic Unit EMU - Extravehicular Mobility Unit [Space] ENEA - Comitato Nazionale per la Ricerca e per lo Sviloppo dell' Energia Nuclaeare e delle Energie Alternative, Italy ENET - Ethernet, "E-Net" ENFIA - Exchange Network Facility for Interstate Access ENIAC - Electronic Numerical Integrator and Calculator ENS - ENSign EO - End Office [telephony] EO - Erasable Optical EOD - Erasable Optical Disk EOE - Electronic Order Exchange EOE - Equal Opportunity Employer EOF - End Of File EOM - End Of Month EOS - Earth Observing System EOS - Electrical OverStress EOS - Extended Operating System EOS - Electro Optical System EOT - End Of Transmission EOTT - End Office Toll Trunking EP - Emulation Program EP - Experience Points EP - Extended Play EPA - Enhanced Performance Architecture EPA - Environmental Protection Agency EPD - Entry Products Division EPL - Electronic switching system Program Language EPOS - Engineering and Project-management Oriented Support system EPPS - Electronic Pre-Press Systems. EPRI - Electric Power Research Institute EPROM - Erasable Programmable Read-Only Memory EPS - Encapsulated PostScript EPSCS - Enhanced Private Switched Communication Service EPSF - Encapsulated PostScript File EPSF - Encapsulated PostScript Format EPSI - Encapsulated PostScript Interchange EPT - Empire of the Petal Throne EPTS - Electronic Problem Tracking System EPUB - Electronic PUBlication EPW - Enemy Prisoner of War EQ - Educational Quotient (see IQ) EQUEL - Embedded QUEL ER - Emergency Room ER - Error Register ERA - Earned Run Average ERA - Entity-Relationship-Attribute ERA - Equal Rights Amendment ERAR - Error Return Address Register ERD - Entity-Relationship Diagram ERE - Entity-Relationship Editor EREP - Environmental Recording Editing and Printing ERICA - Experiment on Rapidly Intensifying Cyclones over the Atlantic ERICA - Eyegaze Response Interface Computer Aid ERISA - Employee Retirement Income Security Act ERL - Echo Return Loss ERP - Effective Radiated Power ERS - Earth Resources Satellite (as in ERS-1) ERT - Earth Resources Technology [Space] ERU - Error Return address Update ES - End System ES - Expert System ESA - Enterprise Systems Architecture (MVS/XA followon) ESA - European Space Agency ESAC - Electronic Surveillance Assistance Center ESAC - Electronic Systems Assistance Center ESB - Emergency Service Bureau ESD - ElectroStatic Discharge ESD - Engineering Service Division ESDI - Enhanced Standard Device Interface ESE - East South East ESF - Extended SuperFrame ESF - Extended Superframe Format ESH - End System Hello ESI - ElectroStatic Interference ESIS - End System-Intermediate System, "ES-IS" ESL - Emergency Stand-Alone ESM - Electronic Support Measures ESM - External Storage Module (Sun) ESMD - Embeded Storage Module Disk ESMD - Enhanced Storage Module Device ESN - Electronic Serial Number ESN - Electronic Switched Network ESO - European Southern Observatory ESOP - Employee Stock Ownership Plan ESP - Enhanced Service Provider ESP - Extra Sensory Perception ESPEC - Ethernet SPECification (DIX) ESPS - Entropic Signal Processing System ESS - Electronic Switching System [telephony] ESS - Environmental Stress Screening ESSEX - Experimental Solid State EXchange ESSX - Electronic Switching Systen eXchange EST - Eastern Standard Time ET - Eastern Time ET - External Tank [of the US Space Shuttle] ET - ExtraTerrestrial [Space] ETA - Estimated Time of Arrival ETACC - External Tank/Aft Cargo Carrier, "ET/ACC" (see also ET) [Space] ETAS - Emergency Technical ASsistance ETC - Et cetera, and so on... ETD - Estimated Time of Departure ETF - Electronic Toll Fraud ETFD - Electronic Toll Fraud Device [telephony] ETH - Eidgnoessiche Techniche Hochschule ETLA - Extended Three Letter Acronym ETN - Electronic Tandem Network ETO - Earth-to-Orbit [Space] ETR - Eastern Test Range ETS - Electronic Tandem Switching ETS - Electronic Translation System ETSACI - Electronic Tandem Switching Adminstration Channel Interface ETSI - European Telecommunication Standards Institute ETSSP - ETS Status Panel ETV - Education TeleVision EUC - Extended Unix Code EUNET - European UNIX Network EUNET - European UNIX network, "EUnet" EUUG - European UNIX Users Group EUV - Extreme UltraViolet EUVE - Extreme UltraViolet Explorer EVA - ExtraVehicular Activity EVX - Electronic Voice eXchange EW - Electronic Warfare EW - Enlisted Woman (see EM) EWO - Engineering Work Order EWOS - European Workshop for Open Systems EWS - Engineering Work Station EXPO - World ExpositionF
FA - Factory Automation FA - Finance Accounting (Sun) FA - Football Association (British soccer) FA - Fuse Alarm FAA - Federal Aviation Administration (U.S.) FAB - Feature-Advantage-Benefit FACD - Foreign Area Customer Dialing FACOM - Fujitsu Automatic Computer FACS - Facilities Assignment and Control System FAE - Fuel Air Explosive FAESHED - Fuel Air ExploSive, HElicopter Delivered FAG - Forced Air Gas FAI - Federation Aeronautique International FAO - Food and Agriculture Organization [U.S. Government] FAQ - Frequently-Asked Question(s) FAQL - Frequently-Asked Questions List FAR - Federal Acquisition Regulation FAR - Federal Aviation Regulations (U.S.) FAR - Federation of American Research FARNET - Federation of American Research NETworks FAS - Foreign Agricultural Service FAS - Free Alongside Ship FASST - Flexible Architecture Standard System Technology FAST - Fast Auroral SnapshoT explorer FAST - First Application System Test FAT - File Allocation Table FAT - Foreign Area Translation FAX - FAcsimile FB - Freight Bill FBI - Federal Bureau of Investigation [U.S. Government] FBO - Fixed-Base Operator FBV - a Dutch acronym for "Fluke, Ltd." FC - Full Color FCAP - Facility CAPacity FCC - Federal Communications Commission [U.S. Government] FCC - Federal Computer Conference FCC - Forward Command Channel FCCSET - Federal Coordinating Council for Science, Education and Technology (under OSTP) FCFS - First Come, First Served FCG - False Cross or Ground FCO - Field Change Order FCRC - Federal Contract Research Center FCS - File Control Systemction FCS - First Customer Ship (SunOS Releases) FCS - Frame Check/Control Sequence FCT - Four Corner Test (4FCT) FD - File Descriptor FD - Floppy/Flexible Disk(ette)/Drive FDA - Food and Drug Administration [U.S. Government] FDDI - Fiber Distributed Data Interface FDDIII - FDDI supporting isochronous traffic, "FDDI-II" FDHD - Floppy Drive High Density FDIC - Federal Deposit Insurance Corporation [U.S. Government] FDM - Frequency-Division Multiplexing FDP - Field Development Program FDR - Franklin Delano Roosevelt FDX - Full DupleX FE - Format Effecters FE - Front End FEA - Finite Element Analysis FEC - Forward Error Correction FED - Far End Data FEDSIM - FEDeral Systems Integration and Management center FEHQ - Fluke European HeadQuarters FEM - Finite Element Modeling FEMA - Federal Emergency Management Agency FEMF - Foreign Electro-Motive Force FEP - Fluorinated Ethylene Propylene FEP - Front End Processor FEPC - Fair Employment Practices Commission FEPS - Facility and Equipment Planning System FERS - Federal Employees Retirement System FET - Far East Trading FET - Federal Excise Tax FET - Field Effect Transistor FEV - Far End Voice FF - Flip-Flop FFA - Field Failure Analysis FFA - Future Farmers of America FFRDC - Federally Funded Reseach and Development Center FFS - Fast File System FFT - Fast Fourier Transform FGA - Feature Group A, "FG-A" [telephony:Line Side term. for LD carriers] FGB - Feature Group B, "FG-B" [telephony:Trunk Side term. for LD carriers (aka ENFIA B), 950 service] FGC - Feature Group C, "FG-C" [telephony] FGD - Feature Group D, "FG-D" [telephony:Trunk Side term. for LD carriers, 1+ service] FGREP - Fixed GREP FGS - Fine Guidance Sensors (on HST) FHA - Federal Housing Administration FHA - Future Homemakers of America FHLMC - Federal Home Loan Mortgage Association (Freddie Mac) FHMA - Federal Home Mortgage Association (Fannie Mae) FHST - Fixed Head Star Trackers (on HST) FIB - Focused Ion Beam FICA - Federal Insurance Contributions Act FIDO - Fog Investigation Dispersal Operation FIFO - First In, First Out FILO - First In, Last Out FIMS - Forms Interface Management System FIN - Field Information Notice FINE - FINE Is Not Emacs
FIO - Frequency In and Out
FIOC - Frame Input/Output Controller
FIP - Facility Interface Processor
FIPS - Federal Information Processing Standard
FIR - Far InfraRed
FIR - Field Information Report
FIR - Finite Impulse Response
FIRMR - Federal Information Resource Management Regulation
FIT - Federal Information Technologies, inc.
FITS - Flexible Image Transport System
FL - Florida
FLACC - Full Level Algol Checkout Compiler
FLOP - FLoating point OPeration
FLOPS - FLoating-point OPerations per Second
FLRA - Federal Labor Relations Authority
FLS - Floating License Server
FLT - Front Load Tape
FM - Frequency Modulation
FMAC - Facility Maintenance And Control
FMB - Federal Maritime Board
FMC - Flexible Manufacturing Cell
FMCS - Federal Mediation and Conciliation Service
FMEA - Failure Mode and Effect Analysis
FMR - Field Marketing Representative (Sun)
FMS - Financial Management Service (Treasury Dept)
FMS - Flexible Machining/Manufacturing System
FMS - Forms Management System
FNC - Federal Networking Council
FNPA - Foreign Numbering Plan Area
FO - Forecast Order
FO - Foreign Office
FO - Forward Observer
FOAC - Federal Office Automation Center
FOB - Free On Board
FOC - Faint Object Camera (on HST)
FOC - Fiber Optic Communications
FOC - Free Of Charge
FOIA - Freedom Of Information Act
FOIMS - Field Office Information Management System
FOIRL - Fiber Optic Inter Repeater Link
FON - Fiber Optics Network
FOOBAR - See FUBAR
FOR - Free On Rail
FORCS - Faa's Operational Reporting Communication System
FORD - Fix Or Repair Daily
FORD - Found On Road Dead
FORTRAN - FORmula TRANslator
FOS - Faint Object Spectrograph (on HST)
FOSE - Federal Office Systems Exposition
FOT - Fiber Optic Transceiver
FOT - Free On Truck
FOV - Field Of View
FPA - Floating Point Accelerator
FPC - Fish Protein Concentrate
FPC - Floating Point Coprocessor
FPDU - FTAM Protocol Data Unit
FPE - Floating Point Engine
FPE - Foam PolyEthylene
FPHA - Federal Public Housing Authority
FPLA - Field Programmable Logic Array (see PLA)
FPM - Feet Per Minute
FPO - Fleet Post Office
FPP - Floating Point Processor
FPS - Favorite Play Sequence
FPS - Feet Per Second
FPS - Foot-Pound-Second
FPU - Floating Point Unit
FQDN - Fully-Qualified Domain Name
FR - Flat Rate
FRACTAL - FRACTional dimensionAL
FRAM - Ferroelectric RAM
FRB - Federal Reserve Board
FRD - Fire RetarDant
FRED - Fred Resembles Emacs Deliberately
FREE - Fathers Rights and Equality Exchange
FRG - Federal Republic of Germany (West Germany)
FRICC - Federal Research Internet Coordinating Committee
FROG - Free Rocket Over Ground
FRPG - Fantasy Role Playing Game
FRR - Flight-Readiness Review
FRS - Federal Reserve System
FRS - Flexible Route Selection
FRU - Field Replacable Unit
FS - Field Service
FS - File System
FS - Floppy System
FSCM - Federal Supply Code for Manufactures
FSDO - Flight Standards District Office
FSE - Field Service Engineer
FSF - Free Software Foundation
FSK - Frequency Shift Keying
FSLIC - Federal Savings and Loan Insurance Corporation
FSS - Fast System Switch (System V)
FSS - Federal Supply Service
FSS - Flight Service Station
FSU - Florida State University
FSU - Former Soviet Union
FSW - Forward Swept Wings
FT - Foot
FT1 - fractional T1, common carrier transmission in multiples of 64 kb/s
FTAM - File Transfer, Access, and Management (ISO FTP equivalent)
FTC - Federal Trade Commission
FTE - Factory Test Equipment
FTG - Final Trunk Group
FTL - Faster Than Light
FTP - File Transfer Protocol
FTPI - Flux Transitions Per Inch
FTS - Federal Telecommunications System [US Government]
FTS - Federal Telephone System [telephony]
FTS - Flight Telerobotic Servicer [Space]
FTW - File Tree Walk
FTZ - Free Trade Zone
FUBAR - F***ed Up Beyond All Recognition
FUD - Fear, Uncertainty, and Doubt
FUS - Full-Use Standard
FUSE - Far Ultraviolet Spectroscopic Explorer
FV - folio verso, "fv" (on the back of the page)
FW - Fringeworthy
FWD - Front Wheel Drive
FWHM - Full Width at Half Maximum
FWIW - For What It's Worth
FX - Foriegn eXchange [telephony]
FX - special effects
FY - Fiscal Year
FYA - For Your Action
FYI - For Your Information
FYS - For Your SignatureG
G - Gravity GA - Gamblers Anonymous GA - General Assembly GA - General Average GA - General of the Army GA - Georgia GAAP - Generally Accepted Accounting Principles GAAS - Gallium Arsenide, "GaAs" GAB - Group Audio Bridging [telephony] GADO - General Aviation District Office GAIA - Earth's self-sustaining Biosphere, "Gaia" GAIA - GUI Application Interoperability Architecture GAN - Global Area Network GAO - General Accounting Office GAR - Grand Army of the Republic GAS - Get-Away Special GATED - GATEway Deamon GATT - General Agreement on Tariffs and Trade GAW - Guaranteed Annual Wage GB - Gangbusters GB - GigaByte GB - Great Britain GBIP - General Purpose Interface Bus GBS - Group Bridging Service GBT - Green Bank Telescope GC - Garbage Collection (LISP) GC - Gas Chromatograph(y) GC - Graphic Context GCA - General Communications Architecture (Ingres) GCA - Ground Controlled Approach GCC - Gnu C Compiler GCD - Ground Controlled Descent GCL - Graphics Command Language GCM - General Court Martial GCR - Group-Coded Recording (magnetic tape, 6250 bpi) GCS - Group Control System GCT - Greenwich Civil Time GCVS - General Catalog of Variable Stars GDB - Gnu DeBugger GDP - Gross Domestic Product GDS - Great Dark Spot GE - General Electric GECOS - General Electric Comprehensive Operating System GECR - Global Environmental Change Report GEIS - General Electric Information Systems GEISCO - General Electric Information Services COmpany GEM - Giotto Extended Mission GEM - Graphics Environment Manager GEMS - General Electric Medical Systems GEO - Geosynchronous Earth Orbit [Space] GFCI - Ground Fault Circuit Interrupter GGP - Gateway-to-Gateway Protocol GHQ - General HeadQuarters GHRS - Goddard High Resolution Spectrograph (on HST) GHZ - Giga HertZ, "GHz" (unit of frequency, 1,000,000,000 cycles per second) GI - Galvanized Iron GI - Gastro Intestinal GI - General Issue GI - Government Issue GID - Group IDentity GIF - Graphics Interchange Format GIGO - Garbage In, Garbage Out GIN - Graphics INput GISS - Goddard Institute for Space Studies GJIAGDVYFCN - Go Jump In a God Damned Volcano, You Fucking Cave Newt (talk.bizarre) GKS - Graphical Kernel Standard GKSM - GKS Metafile GLOMR - Global Low-Orbiting Message Relay GM - Game Master GM - General Manager GM - General Motors GM - Guided Missile GMBH - Gesellschaft Mit Beschraenkter Haftung GMC - Giant Molecular Cloud GMRT - Giant Meter-wave Radio Telescope GMT - Greenwich Mean Time GMW - Give me More Windows GND - GrouND GNMA - Government National Mortgage Association (Ginnie Mae) GNP - Gross National Product GNU - GNU's Not Unix GOES - Geostationary Orbiting Environmental Satellites GOK - God Only Knows GOP - Grand Old Party GOS - Grade Of Service GOSIP - Government Open Systems Interconnection Profile GOX - Gaseous OXygen GP - General Practitioner GP - Grand Prix GP - Graphics Processor GP - Group Processor GPC - General Purpose Computer GPCI - Graphics Processor Command Interface GPD - Graphics Products Division GPI - Graphics Programming Interface GPIB - General-Purpose Interface Bus GPL - GNU Public License GPL - General Public License GPL - Graphics Programming Language GPM - Gross Product Margin GPO - General Post Office GPO - Government Printing Office GPS - General Problem Solver GPS - Global Positioning System [Space] GPSI - Graphics Processor Software Interface GPSS - General Purpose System Simulator GQ - General Quarters GRASS - Geographical Resources Analysis Support System GRB - Gamma Ray Burst(er) GRD - GRounD GREP - Global Regular Expression Print, g/re/p, (UNIX command) GRI - Graduate, Realtors Institute GRIPS - Government Raster Image Processing Software GRO - Gamma Ray Observatory [Space] GROPE - Graphical representation of protocols in Estelle GRPMOD - GRouP MODulator, "GRP MOD" GRS - Gamma Ray Spectrometer (on Mars Observer) GRS - Great Red Spot GS - General Schedule GS - Glide Slope GS - Gray-Scale GSA - General Services Adminstration [U.S. Government] GSA - Girl Scouts of America GSA - Government Services Administration GSAT - General telephone and electronics SATellite corporation GSBCA - General Services administration Board of Contract Appeals GSC - Guide Star Catalog (for HST) GSFC - Goddard Space Flight Center (Greenbelt, MD) [NASA] GSTS - Ground-based Surveillance and Tracking System GT - Gross Ton GT - Group Technology GTC - General Telephone Company GTE - General Telephone and Electric [Corporate name] GTO - Geostationary Transfer Orbit GTSI - Government Technology Services, inc. GTT - Global Title Transmission GUI - Graphical User Interface GUIDE - Graphical User Interface Design Editor (Sun) GUS - Guide to the Use of Standards (SPAG publication) GW - Gamma World GWEN - Ground Wave Emergency Network GWS - Graphics Work StationH
H - Harn H - Height HA - Home Automation HACD - Home Area Customer Dialing HAL - Hard Array Logic HAL - Heuristically programmed ALgorithmic computer (2001) HAM - Hold And Modify HAO - High Altitude Observatory HAP - Host Access Protocol HARM - High-Availability, Reliability, and Maintainability HASP - Houston Automated Spooling Program HAT - Hashed Address Table HB - HemogloBin, "Hb" HBA - Host Bus Adapter (SCSI) HBM - Her British Majesty; His British Majesty HBO - Home Box Office HC - Holy Communion HC - House of Commons HCF - Halt and Catch Fire HCFA - Health Care Financing Administration HCL - High Cost of Living HCL - Host Control Links HCR - Hodge Computer Research, inc. HCSDS - High-Capacity Satellite Digital Service HCTDS - High-Capacity Terrestrial Digital Service HD - Hard Disk HD - Heavy Duty HD - Henry Draper catalog entry HDA - Head Disk Assembly (in winchester disk drives) HDBV - Host Data Base View HDL - High Density Lipoprotein HDLC - High-level Data Link Control HDTV - High Definition TeleVision HDX - Half DupleX HE - His Eminence; His Excellency HEAO - High Energy Astronomical Observatory [satellite] HEAP - Home Energy Assistance Program HEDM - High Energy-Density Matter [Space] HEHO - High End Hop Off HEM - High-level Entity Management HEMP - Help End Marijuana Prohibition HEMS - High-level Entity Management System HEMT - High Electron Mobility Transistor HEO - High Earth Orbit [Space] HEP - High Energy Physics HERA - HErmes Robotic Arm, "HeRA" HERO - Hazards of Electromagnetic Radiation to Ordnance HF - Hawthorne Farms (Intel) HF - High Fantasy HF - High Frequency (3-30MHz) HFE - Human Factors Engineering HFS - Hierarchical File System (Apple Macintosh) HGA - High Gain Antenna HI - Hawaii HIC - Hybrid Integrated Circuit HIFO - Highest-In, First-Out HIIPS - Hud Integrated Information Processing Services HIPPI - HIgh Performance Parallel Interface HIRES - HI-RESolution HIS - Honeywell Information System HIV - Human Immuno-deficiency Virus HLC - Heavy Lift Capability [Space] HLHSR - Hidden Line & Hidden Surface Removal HLL - High-Level Language HLV - Heavy Lift Vehicle [Space] HM - High-resolution Monochrome HMC - Halley Multicolor Camera (on Giotto) HMOS - High performance Metal Oxide Semiconductor (see MOS) HMP - Host Monitoring Protocol HMS - His/Her Majesty's Ship HMT - His/Her Majesty's Transport HNPA - Home Numbering Plan Area [telephony] HNS - Hospitality Network Service HOBIC - HOtel Billing Information Center HOBIS - HOtel Billing Information System HOL - High-Order System HOTOL - HOrizontal Take-Off and Landing HOW - Home Owners Warranty HP - Hewlett-Packard, inc. [Corporate name] HP - High Pressure HP - Higher Power (sort of an AA "in" term, usually God) HP - Hit Points HP - HorsePower HPD - High Performance Division (Sun group) HPGe - High Purity Germanium HPIB - Hewlett-Packard Interface Bus HPLT - High-Productivity Languages/Tools, "HPL/T" HPN - White Plains NY HPO - High Performance Option HPPA - HP Precision Architecture HQ - HeadQuarters HR - Hertzsprung-Russell (diagram) HR - House of Representatives HR - Human Resources HRH - Her/His Royal Highness HRI - High Resolution Imager (on ROSAT) HS - High School HSB - Hue, Saturation, Brightness HSC - Hierarchical Storage Controller HSFS - High Sierra File System HSI - High Speed Interface HSI - Horizontal Situation Indicator HSLN - High Speed Local Network HSP - High Speed Photometer (on HST) HSSDS - High-Speed Switched Digital Service HST - Hawaiian Standard Time HST - High Speed Technology HST - Hubble Space Telescope HT - High Tension (as in electric power transmission) HT - Horizontal Tab HTK - Hits To Kill HU - High Usage HUAC - House Unamerican Activities Committee HUD - Heads Up Display HUD - Housing and Urban Development [U.S. Government] HUGE - Hewlett-packard Unsupported Gnu Emacs HUT - Hopkins Ultraviolet Telescope (ASTRO package) HUTG - High Usage Trunk Group HV - High Voltage HVAC - Heating, Ventilation, and Air Conditioning HW2000 - Highway 2000 HWD - Hayward CA HWM - High-Water Mark HZ - HertZ, "Hz" (unit of frequency, cycles per second)I
I18N - InternationalizatioN (count the letters) IA - Inspection Authorization IAB - Interactive Application Builder IAB - Internet Activities Board IAD - Dulles International, Washington DC IAEA - International Atomic Energy Agency IAH - Houston (Intercontinental) TX IANA - Internet Assigned Numbers Authority IAPPP - International Amateur/Professional Photoelectric Photometry IATA - International Air Transport Association IAU - International Astronomical Union IAUC - IAU Circular IB - Instruction Buffer IBM - Ingrained Batch Mentality IBM - International Brotherhood of Magicians IBM - International Business Machines [Corporate name] IBM - Itty Bitty Machines IBN - Integrated Business Network IC - Independent Carrier IC - Integrated Circuit IC - Inter-LATA Carrier IC - Interexchange Carrier [telephony] (see also IEC) ICAN - Individual Circuit ANalysis ICB - Interstate Computer Bank ICBM - InterContinental Ballistic Missile ICBW - I Could Be Wrong ICC - Interstate Commerce Commission ICCC - Inter-Client Communication Convention (X) ICCCM - Inter-Client Communication Conventions Manual ICD - Interactive Call Distribution ICE - In-Circuit Emulator ICE - International Cometary Explorer ICE - Intrusion Countermeasures Electronics ICI - Imperial Chemical Industries ICJ - International Court of Justice ICL - International Computers Limited ICLID - Individual Calling Line ID ICM - Integrated Call Management ICMP - Internet Control Message Protocol ICON - Inter CONtinental ICP - Integrated Channel Processor ICP - Inventory Control Points ICRC - International Cosmic Ray Conference ICSC - Inter-LATA Customer Service Center ICST - Institute for Computer Science and Technology ICT - In-Circuit Test ICT - Interactive Consumer Terminal ID - IDentification ID - Idaho IDA - Intercommunication Data Areas IDA - International Dark-sky Association IDA - International Development Association IDC - Insulation Displacement Contact IDDD - International Direct Distance Dial [telephony] IDE - Integrated Development Environment IDE - Integrated Drive Electronics IDE - Interactive Development Environments, inc IDEA - International Dance Exercise Association IDEA - Internet Design, Engineering, and Analysis notes (IETF RFCs) IDF - Intermediate Distributing Frame [telephony] IDI - Initial Domain Identifier IDL - Interactive Data Language IDL - Interface Description Language IDM - Image Data Manager IDP - Initial Domain Part IDP - Internet Datagram Protocol (XNS equivalent to IP) IDS - Internal Directory System IDV - Interlibrational Derived Vehicle [Space] IDVC - Integrated Data/Voice Channel IE - Id Est (that is) IE - Id Est, "i.e." (that is) IE - Indo-European IE - Inter Ethernet IEC - InterExchange Carrier [telephony] (see also IC) IEC - International Electrotechnical Commission IEE - Institute of Electrical Engineers (UK) IEEE - Institute of Electrical and Electronics Engineers IEN - Internet Engineering Notes IEN - Internet Experiment Notebook (precedes RFCs) IESG - Internet Engineering Steering Group IETF - Internet Engineering Task Force IF - InterFace, "I/F" IF - Intermediate Frequency IFB - Invitation For Bids IFC - International Finance Corporation IFC - International Freighting Corporation IFF - Identification - Friend or Foe IFF - Image File Format IFF - Interchange File Format IFF - Iterative Function Fractal IFIP - International Federation for Information Processing IFLA - International Federation of Library Associations IFR - Instrument Flight Rules IFRPS - Intercity Facility Relief Planning System IGES - Initial Graphics Exchange Standard IGM - InterGalactic Medium IGMP - Internet Group Multicast Protocol IGP - Interior Gateway Protocol IGY - International Geophysical Year
IHP - Indicated HorsePower
IHS - Integrated Hospital Support
IIA - Information Industry Association
IIE - Institute of Industrial Engineers
IIHF - International Ice Hockey Federation
IIL - Integrated Injection Logic
IIN - Integrated Information Network
IISPB - Image and Information Standards Policy Board
ILO - International Labor Organization
ILS - Instrument Landing System
ILV - Industrial Launch Vehicle [Space]
IM - Installation & Maintenance, "I&M"
IM - Interface Module
IMAP - Interactive Mail Access Protocol
IMAP3 - Interactive Mail Access Protocol - Version 3
IMAS - Integrated Mass Announcement System
IMC - Instrument Meteorological Contitions
IMD - Industry Marketing Development
IMF - International Monetary Fund
IMHO - In My Humble Opinion [net jargon]
IMM - Input Message Manual
IMP - Interface Message Processor [ARPANET/MILNET] (replaced by PSN)
IMPACT - Inventory Management Program and Control Technique
IMS - Integrated Management System
IMSA - International Motor Sports Association
IMSL - International Mathematical Subroutine Library
IMSO - Integrated Micro Systems Operation (Intel)
IMSVS - Information Management System/Virtual Storage, "IMS/VS"
IMT - Image Management Terminal
IMT - Inter-Machine Trunk
IMTS - Improved Mobile Telephone Service
IN - Indiana
IN - Intelligent Network
INADS - INitialization and ADministration System [telephony]
INC - InterNational Carrier
INGRES - Interactive Graphic Retrieval System
INL - Inter Node Link
INMS - integrated network management system, part of AT&T's UNMA
INN - Inter Node Network
INOC - Internet Network Operations Center
INRI - Iesus Nazerenus Rex Iudaeorum (Jesus of Nazareth, King of the Jews)
INRIA - Institut National de Recherche en Informatique et Automatique
INS - Immigration and Naturalization Service
INS - Inertial Navigation System
INS - Information Network System
INSTITUTE - INSTITUTE's Name Shows That It's Totally Unrelated To EMACS
INTAP - INteroperability Technology Association for information Processing
INTELSAT - INternational TELecommunications SATellite consortium
INWATS - INward Wide Area Telephone Service [telephony]
IO - Input/Output (sometimes I/O)
IO - Input/Output, "I/O"
IO - Inward Operator
IOC - Input/Output Computer (Aptec)
IOC - Input/Output Controller
IOC - International Operating Center [telephony, US]
IOCC - International Overseas Completion Center
IOD - Identified Outward Dialing
IONL - Internal Organization of the Network Layer
IOOF - International Order of Odd Fellows
IOP - Input-Output Processor
IOT - InterOffice Trunk
IOTA - Infrared-Optical Telescope Array
IOTA - International Occultation Timing Association
IOU - I Owe you (U)
IOW - In Other Words
IP - Industrial Products
IP - Information Provider [telephony]
IP - Innings Pitched
IP - Intermediate Point
IP - Internet Protocol
IPC - Integrated Personal Computer
IPC - InterProcess Communication
IPC - Inventory Process Control
IPCC - Intergovernmental Panel on Climate Change
IPCE - InterProcess Communication Environment
IPCS - Interactive Problem Control System
IPDU - Internet Protocol Data Unit
IPE - Integrated Programming Environment
IPI - Intelligent Peripheral Interface
IPL - Initial Program Load
IPLAN - Integrated PLanning And Analysis
IPM - Impulses Per Minute
IPM - Interruptions Per Minute
IPMS - InterPersonal Message Services
IPO - Initial Public Offering
IPO - International Procurement Office
IPS - Inches Per Second
IPS - Inertial Pointing System
IPS - Information Processing Standards
IPSE - Integrated Project-Support Environment
IPT - Williamsport PA
IPX - Internetwork Packet exchange (of Novell Inc.)
IQ - Intelligence Quotient (see EQ)
IQR - Inquiry
IR - Index Register
IR - Information Resource
IR - InfraRed
IR - Internetwork Router
IRA - Individual Retirement Account
IRA - Interprocedural Register Allocation
IRA - Irish Republican Army
IRAF - Image Reduction and Analysis Facility
IRAS - Infrared Astronomical Satellite
IRBM - Intelligent Repeater Bridge Module
IRBM - Intermediate Range Ballistic Missile
IRC - International Record Carrier
IRC - Internet Relay Chat
IRD - Investment Recovery Department
IRDS - Information Resource Dictionary Standard
IRDS - InfraRed Detection Set
IRE - Institute of Radio Engineers (old name for the now IEEE, q.v.)
IRG - InterRecord Gap
IRM - Information Resources Management
IRM - Intelligent Repeater Module
IRMS - Information Resources Management Service
IRN - Intermediate Routing Node
IROR - Internal Rate Of Return
IRS - Inertial Reference System
IRS - Internal Revenue Service
IRSG - Internet Research Steering Group
IRTF - Internet Research Task Force
IS - Information Separator
IS - Information Systems
IS - Intermediate System
IS - International Standard
IS - Interrupt Set
ISA - Industry-Standard Architecture
ISAM - Indexed Sequential Access Method
ISAS - Institute of Space and Astronautical Science (Japan)
ISBD - International Bibliographic Description
ISBN - International Standard Book Number
ISC - Information Services Center
ISC - Interactive Systems Corporation
ISC - International Switching Center
ISCH - Interstitial-Cell-Stimulating Hormone (same as LH)
ISDN - Integrated Services Digital Network
ISDT - Integrated Systems Development Tool
ISEE - International Sun Earth Explorer (usually ISEE-3)
ISF - Information Systems Factory
ISFUG - Integrated Software Federal User Group
ISH - Intermediate System Hello
ISI - Information Sciences Institute (at USC)
ISIS - Intermediate System to Intermediate System, "IS-IS"
ISLM - Integrated Services Line Module
ISLU - Integrated Services Line Unit
ISM - InterStellar Medium
ISN - Information Systems Network
ISN - Integrated Systems Network
ISO - Infrared Space Observatory
ISO - International Standards Organization
ISODE - ISO Development Environment
ISOO - Information Security Oversight Office
ISOP - Incentive Stock Option Plan
ISPM - International Solar Polar Mission
ISR - Institute of Snow Research
ISRG - Independent Space Research Group
ISS - Integrated Switching System
ISSI - Information Security Systems Inc.
ISSN - Integrated Special Services Network
ISSN - International Standard Serial Number
IST - Initial System Test
ISUP - Integrated Services User Part
ISV - Independent Software Vendor
ISV - Instantaneous Speed Variation
ISY - International Space Year
IT - Industrial Technology
IT - Information Technology
ITC - Independent Telephone Company
ITC - Inter-Task Communication
ITM - Information Technology Management
ITS - Incompatible Timesharing System
ITS - Institute of Telecommunication Science
ITSEC - Information Technology Security Evaluation Criteria
ITSO - Incoming Trunk Service Observation
ITT - International Telephone and Telegraph
ITU - International Telecommunications Union
ITUSA - IT Users Standards Association
IU - Integer Unit
IUE - International Ultraviolet Explorer
IUS - Inertial Upper Stage [Space]
IUV - Interlibrational Utility Vehicle [Space]
IVDT - Integrated Voice/Data Terminal
IVP - Installation Verification Program
IVTS - International Video Teleconferencing Service
IWBNI - It Would Be Nice If
IWC - Inside Wire Cable
IWS - Intelligent Work-Station
IWW - International Workers of the World
IX - Interactive eXecutive
IXC - IntereXchange Carrier (aka LD)
IXM - IntereXchange MileageJ
JACM - Journal of the Association for Computing Machinery JAL - Japan Airline JANET - Joint Academic Network (U.K.) JBS - John Birch Society JC - Jesus Christ JC - Joint Compound (plumbing) JC - Julius Caesar JC - Junior College JCA - Jewelry Crafts Association JCAC - Joint Civil Affairs Committee JCAE - Joint Committee on Atomic Energy JCEE - Joint Council on Economic Education JCET - Joint Council on Educational Television JCL - Job Control Language JCS - Joint Chiefs of Staff JD - Justice Department JDS - John Dewey Society JECC - Japan Electronic Computer Company JEIDA - Japan Electronics Inderstry Development Association JEM - Japanese Experiment Module (for SSF) JES - Job Entry System JES - John Ericsson Society JESUS - Job Entry System of the University of Saskatuan JFET - Junction FET JFIF - JPEG File Interchange Format JFK - John F. Kennedy (and the international airport) JFMIP - Joint Financial Management Improvement Program JFS - Next Generation of JLE JGR - Journal of Geophysical Research JI - Justice, Inc. JIC - Joint Industry Council JIC - Joint Intelligence Center JIC - Just in Case JILA - Joint Institute for Laboratory Astrophysics JIM - Job Information Memorandum JINTACCS - Joint INteroperability of TActical Command and Control Systems JIS - Japan Industrial Standards JISC - Japanese Industrial Standards Committee JIT - Just In Time JLE - Japanese Language Enveronment JMS - John Milton Society JMX - Jumbogroup MultipleX JO - Job Order JO - Junior Officer JOAT - Jack Of All Trades JOVE - Jonathan's Own Version of Emacs JOVIAL - Jules Own Version of the International Algorithmic Language JPEG