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General Acronyms Here's a list of over 2,500 acronyms. If you happen to be looking for the Chat and Usenet acronyms instead, then please Click Here for that page. 1. Click on a letter to go to that section of the list. 2. Click on the big letters at the top of the sections to return to this index. 3. Or you can just scroll through the list manually.

A B C D E F G H I J K L M N O PQ R S T U V W XYZ (Top) (Home)

A 2D 3D 3M 4GL 4H A A&M A/D A/P A/R AA AA AA AA AA AAA AAAL AAAS 2-Dimensional 3-Dimensional Minnesota Mining and Manufacturing Fourth Generation Language Head, Heart, Hands, Health Aftermath Agricultural and Mechanical Analog to Digital converter (see ADC) Accounts Payable Accounts Receivable Affirmative Action committee Alcoholics Anonymous Antiaircraft Artillery Associate in Accounting Automobile Association (in England) American Automobile Association American Academy of Arts and Letters American Association for the Advancement of Science AAII American Association of Individual Investors AAMSI American Association for Medical Systems Informatics

AAP AARC AB ABA ABA ABA ABBR ABC AC AC AC ACAA

Affirmative Action Program Anglo-American Cataloging Rules ABle seaman American Bar Association American Basketball Association American Booksellers Association ABBReviation American Broadcasting Company Alternating Current (ac, see also DC) Ante Christum (before Christ) Ante Cibum (before meals) Agricultural Conservation and Adjustment Administration ACAWS Advisory, Caution, And Warning System ACBL American Contract Bridge League ACC Argonne Code Center ACCS Army Command and Control System ACD Automatic Call Distributing system ACE Automatic Calibration and Equalization ACHEFT Automated ClearingHouse Electronic Funds Transfer ACK ACKnowledge ACL Advanced Cmos Logic ACM Association for Computing Machinery ACO Acronym Control Officer ACS Advanced Communications System ACTS Advanced Communications Technology Satellite ACTS Automatic Coin Telephone Service ACU Alarm Control Unit ACW Alternating Continuous Waves AD After Date AD Anno Domini (in the year of our Lord) AD Application Development AD&D Advanced Dungeons & Dragons ADB A DeBugger ADB Apple Desktop Bus ADC Analog to Digital Converter ADCI Automatic Display Call Indicator ADF Automatic Direction Finder ADM ADMiral ADP Adenosine Di-Phosphate ADP Administrative Data Processing ADP Advanced Data Processing ADS Application Development System ADS Automatic Voice System ADSR Attack Decay Sustain Release ADT Abstract Data Type ADT Atlantic Daylight Time AE Application Execution AEA American Electronics Association AEC Atomic Energy Commission AEF American Expeditionary Force (see BEF) AEGIS Advanced Electronic Guidance and Instrumentation System AF Adventures in Fantasy AF Air Force

AF Audio Frequency AFADS Automatic Force Adjustment Data System AFATDS Advanced Field Artillery Tactical Data System AFB Air Force Base AFC American Football Conference AFC Automatic Flight Control AFC Automatic Frequency Control AFCAC Air Force Computer Acquisition Center AFCC Air Force Communications Command AFGE American Federation of Government Employees AFIPS American Federation of Information Processing Societies AFL American Federation of Labor AFL American Football League AFLCIO American Federation of Labor and Congress of Industrial Organizations 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 AFTRA American Federation of Television and Radio Artists AG Adjutant General AG Arcade Game AG Attorney General AGCT Army General Classification Test AH Avalon Hill (major war game manufacturer) AHL American Hockey League AHQ Air HeadQuarters AI Artificial Intelligence AIAA American Institute of Aeronautics and Astronautics AIC Automatic Intercept Center AID Agency for International Development AIDDE Ames' Interactive Dynamic Display Editor AIDS Acquired ImmunoDeficiency Syndrome AIOD Automatic Identification Outward Dialing AIS Automatic Intercept System AIX Advanced Interactive eXecutive (unix) AK Alaska AKA Also Known As AL Alabama AL American League (baseball) ALA American Library Association ALA Automobile Legal Association ALBM Air-to-Land Ballistic Missile ALC Automatic Load Control ALGOL ALGOrithmic Language ALU Arithmetic Logic Unit AM Amplitude Modulation AM Ante Meridiem (before noon) AMA American Medical Association AMA Automatic Message Accounting AMARC Automatic Message Accounting Recording Center

AMBA Association of Master of Business Administration AMC Albany Medical College AMD Advanced Micro Devices AMEX AMerican EXpress AMORC Ancient Mystic Order Rosae Crucis AMP Adenosine MonoPhosphate AMPAS Academy of Motion Picture Arts and Sciences AMRAAM Advanced Medium Range Air-To-Air Missile AMSAT radio AMateur SATellite corp. AMU Atomic Mass Unit AMVET AMerican VETeran ANA American Nurses Association ANC All Number Calling ANC Army Nurse Corps ANDF Architecture-Neural Distribution Format ANF Automatic Number Forwarding ANG Air National Guard ANI Automatic Number Identification ANL Argonne National Laboratory ANOVA ANalysis Of VAriance ANPA American Newspaper Publishers Association ANSI American National Standards Institute ANZUS Australia, New Zealand, United States AO Account Of AOL America On Line, Absent Over Leave (see AWOL) AOS Academic Operating System AP Additional Premium AP All Points AP Associated Press APA All Points Addressable APB All Points Bulletin APDA Apple Programmers and Developers Association API Application Programming Interface APICS American Production and Inventory Control Society ApJ Astrophysical Journal APO Army Post Office APP Applications Portability Profile APPC Advanced Peer-to-Peer Communications APR Annual Percentage Rate (as in loan interest) APSE Ada Programming Support Environment AQ Accumulator-Quotient register AR Address Register AR Arkansas ARC American Red Cross ARCNET Attached Resource Computer local area NETwork ARO After Receipt of Order ARPA Advanced Research Projects Agency ARPANET Advanced Research Projects Agency NETwork ARRL Amateur Radio Relay League ARV American Revised Version AS Anglo-Saxon ASA Acetyl Salicylic Acid ASAP As Soon As Possible ASC Accredited Standards Committee ASCAP American Society of Composers, Authors,

and Publishers Automatic Sequence-Controlled Calculator American Standard Code for Information Interchange 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. ASIC Application Specific Integrated Circuit ASME American Society of Mechanical Engineers ASP Aggregated Switch Procurement ASSR Autonomous Soviet Socialist Republic AST Atlantic Standard Time ASV American Standard Version AT Atlantic Time AT&T American Telephone & Telegraph ATA Automatic Trouble Analysis ATACC Advanced Tactical Air Command Central ATB Advanced Technology Bomber (stealth bomber) ATC Air Traffic Control ATF Advanced Technology Fighter ATIS Atherton Tools Interface Specification ATM Automatic Teller Machine ATOMS AT&t Optimized Materials Simulator ATP Adenosine TriPhosphate ATPCO Airline Tariff Publishing COmpany ATTIS American Telephone and Telegraph Information Systems ATV All Terrain Vehicle AUS Army of the United States AUTODIN AUTOmatic DIgital Network AUTOVON AUTOmatic VOice Network AV AudioVisual AVLIS Atomic Vapor Laser Isotope Separation AWACS Airborne Warnings And Control Systems AWEA American Wind Energy Association AWK al Aho, peter Weinberger, brian Kernighan (pattern scanning language) AWOL Absent WithOut Leave (also Absent Without Official Leave) (see AOL) ASCC ASCII

B B BA BACH BAFO BASIC BB BB Book Bachelor of Arts Business Alliance for Commerce in Hemp Best And Final Offer Beginner's All-purpose Symbolic Instruction Code Bases on Balls 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 BC Battlecars BC Before Christ BC British Columbia BC/BS Blue Cross/Blue Shield BCD Bad Conduct Discharge BCD Binary Coded Decimal BCDIC Binary Coded Decimal Interchange Code BCE Before the Common Era (substitute for BC) BCP Byte Controlled Protocols BCPL Basic Combined Programming Language BCS Bachelor of Commercial Science BCS Binary Compatibility Standard BCS Boston Computer Society BCS British Computer Society BD Bachelor of Divinity BD Bank Draft BD Bills Discounted BD&D Basic Dungeons & Dragons BDF Binary Distribution Format BDT Billing Data Transmitter BE Bill of Exchange BEF British Expeditionary Force (see AEF) BELCORE BELL COmmunications REsearch BEM Bug Eyed Monster BENELUX BElgium, NEtherlands, and LUXembourg BER Bit Error Rate BEST Borland Enhanced Support and Training BF Brought Forward BFA Bachelor of Fine Arts BFD Big F***ing Deal BFHD Big Fat Hairy Deal BH Boot Hill BHP Brake HorsePower BICS Building Industry Consulting Services BID Bis In Die (twice a day) BIOC Break Into Other Computers BIOS Basic Input Output System BIS Business Information System BLAST BLocked ASynchronous Transmission BLF Busy Line Field BLT BLock Transfer BLT Bacon, Lettuce, and Tomato BM Basal Metabolism BM Bowel Movement BMA Bank Marketing Association BMEWS Ballistic Missile Early Warning BMO Ballistic Missile Office BMOC Big Man On Campus BMR Basal Metabolism Rate BNF Bachus-Naur Form

BO BO BO BOC BOD BOF BOM BOQ BOS BOSIX BP BP BPI BPOE BPS BR BR BRIEF BRL BRS BS BS BSA BSA BSC BSD BSN BSS BSTJ BSc BTL BTO BTU BTW BThU BU BV BWI BWI BX Bit

Body Odor Branch Office Buyer's Option Bell Operating Company Board Of Directors Birds Of a Feather Bill Of Materials Bachelor Officers' Quarters Business Office Supervisor Biin Open System Interface eXtension Blood Pressure British Pharmacopoeia Bits Per Inch Benevolent and Protective Order of Elks Bits Per Second Bills Receivable British Rail Basic Reconfigurable Interactive Editing Facility army Ballistic Research Laboratory Bibliographic Retrieval Service Bachelor of Science Bill of Sale Birmingham Small Arms Boy Scouts of America Binary Synchronous Communication Berkeley Software Distribution Bachelor of Science in Nursing Block Started by Symbol Bell System Technical Journal Bachelor of SCience Bell Telephone Laboratories Bachman Turner Overdrive British Thermal Unit By The Way British Thermal Unit Bushido Blessed Virgin Baltimore-Washington International (airport) British West Indies Base eXchange (see PX) BInary digiT

C C C&S C/O CA CA CA CA CAB programming language, successor to BCPL Chivalry & Sorcery in Care Of California Chartered Accountant Chief Accountant Chronological Age Civil Aeronautics Board

CACM Communications of the Association for Computing Machinery CAD Computer Aided Design (sometimes seen as CAD/CAM) CAE Common Applications Environment CAE Computer Aided Engineering CAIS Common Apse Interface Specification CALS Computer-aided Acquisition and Logistics Support CAM Computer Aided Management CAM Computer Aided Manufacturing (sometimes seen as CAD/CAM) CAM Content Addressable Memory CAMA Centralized Automatic Message Accounting CAMP Campaign Against Marijuana Planting CAP Civil Air Patrol CAP Columbia Appletalk Package CAR Contents of the Address part of the Register CASE Computer Aided Software Engineering CASSIS Classification and Search Support Information System CAT Computer-Aided Tomography CATIS Common Applications and Tools Integration Services CATV Community Antenna TeleVision CAVU Ceiling And Visibility Unlimited CB Citizens Band radio CBC Canadian Broadcasting Corporation CBD Cash Before Delivery CBD Commerce Business Daily CBEMA Computer & Business Equipment Manufacturers Association CBR Chemical, Biological, Radiological warfare CBS Columbia Broadcasting System CBW Chemical and Biological Warfare CC Carbon Copy CCA Computer Corporation of America CCC Canadian Committee on Cataloging CCC Civil(ian) Conservation Corps CCC Command, Control, and Communications CCCCM CCC CounterMeasures (sometimes C^3CM) CCCI Command, Control, Communications, and Intelligence CCD Charge Coupled Device (see CID) CCI Computer Carrier Interrupt CCI Computer Consoles, Incorporated CCIP Continuously Computed Impact Point CCIS Common Channel Interoffice Signaling CCITT Comite' Consultatif International Telegraphique et Telephonique CCR Commitment, Concurrency, and Recovery CCR Creedence Clearwater Revival CCRP Continuously Computed Release Point CCSA Common Control Switching Arrangement CCTA Central Computer and Telecommunications Agency CCTV Closed Circuit TeleVision CD Certificate of Deposit CD Civil Defense

CD Compact Disk CD-ROM Compact Disk Read Only Memory CDA Call Data Accumulator CDA Compound Documents Architecture CDC Centers for Disease Control CDC Control Data Corporation, inc. CDEV Control panel DEVice CDIAC Carbon Dioxide Information Analysis Center CDO Community Dial Office CDR CommanDeR CDR Contents of the Decrement part of the Register 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 Council of Economic Advisors CEA County Education Authority CEC Commission of the European Communities CED Committee for Economic Development CENS Centre d'Etudes Nucleaires de Seclay CENTO CENtral Treaty Organization CEO Chief Executive Officer CERN organisation (formerly Conseil) Europeenne pour la Recherche Nucleaires CERT Computer Emergency Response Team CEVI Common Equipment Voltage Indicator CF Carry Forward CF Coin First payphone CFC Chloro-FluoroCarbon CFC Combined Federal Campaign CFD Computational Fluid Dynamics CFI Cost, Freight, and Insurance CFL Canadian Football League CFO Chief Financial Officer CG Coast Guard CG Commanding General CG&E Cincinnati Gas & Electric CGA Color Graphics Adapter CGCT Compagnie Generale de Constructions Telephoniques CGE Compagnie Generale d'Electricite CH Cardboard Heroes CH ClearingHouse CH CourtHouse CH Customs House CHA Champions CHAP CHAnnel Processor CHI Chill: Adventures into the Unknown CHOTS Corporate Headquarters Office Technology System CHP California Highway Patrol CI Cubic Inches CIA Central Intelligence Agency

CICA CICS CID CID CID CIDIN CIM CIO CISC CIT CIT

Competition in Contracting Act Customer Information Control System Central Institute for the Deaf Charge Injection Device (see CCD) Computer Integrated Design Common Icao Data Interchange Network Computer Integrated Manufacturing Chief Information Officer Complex Instruction Set Computer California Institute of Technology Case Institute of Technology (part of CWRU, Cleveland, OH) CLASP Comprehensive Logistics Automated Support Program CLI Command Line Interpreter CLR Combined Line and Recording CLRC Circuit Layout Record Card CLU Chartered Life Underwriter CLUT Color LookUp Table CM Congregation of the Mission CMC Communication Machinery Corp. CMD Centralized Message Distribution CML Current Model Logic CMMU Cache/Memory Management Unit CMOS Complementary Metal Oxide Semiconductor (see MOS) CMRR Common Mode Rejection Ratio CMS Circuit Maintenance System CMSgt Chief Master Sergeant CMU Carnegie-Mellon University CMYK Cyan, Magenta, Yellow, blacK CN Canadian National (railways) CN/A Customer Name / Address CNN Cable News Network CNO Chief of Naval Operations CNR Canadian National Railways CNR Carrier to Noise Ratio CNS Central Nervous System CO Cash Order CO Central Office CO Central Office (telephony) CO Colorado CO Commanding Officer CO Conscientious Objector COB Close Of Business COBOL COmmon Business Oriented Language COC Call of Cthulhu COD Collect On Delivery, Cash On Delivery CODEC COder-DECoder COER Central Office Equipment Report COLA Cost-Of-Living Allowance COMAS Central Office Maintenance and Administration System COMPACT COMmercial Product ACquisition Team CONS Connection-Oriented Networking Session CORE COntrolled Requirement Expression

CORN COmputer Resource Nucleus COS Corporation for Open Systems COSMIC COmmon System Main InterConnecting frame COSMIC COmputer Software Management and Information Center COSMOS COmputer System for Mainframe OperationS CP Canadian Pacific CP Chemically Pure CP CoPy CP Command Post CP Command Processor CP the Canadian Press CPA Certified Public Accountant CPFF Cost Plus Fixed Fee CPI Characters Per Inch CPI Common Programming Interface CPL Combined Programming Language CPM Control Program for Microcomputers (sometimes CP/M) CPO Chief Petty Officer CPO Chief Post Office CPO Customer Premises Equipment CPR Canadian Pacific Railway CPS Characters Per Second CPSR Computer Professionals for Social Responsibility CPT CaPTain CPU Central Processor Unit CPW Certified Public Weigher CQ Change of Quarters CQ Charge of Quarters CR Carriage Return (ASCII 15 octal) CRAM Card Random Access Memory CRC Chemical Rubber Company CRC Cyclical Redundancy Character CREG Concentrated Range Extension with Gain CRT Cathode Ray Tube (also generic reference to a terminal) CRTC Canadian Radio-television and Telecommunications Commission CS Civil Servant CS Computer Science, Computing Science CS County Seat CSA Confederate States of America CSAB Computing Sciences Accreditation Board CSACS Centralized Status, Alarm and Control System CSC Computer Sciences Corporation CSDC Circuit Switched Digital Capability CSF Critical Success Factor CSI Commercial Systems Integration CSIS Canadian Security and Intelligence Service CSL Coin Supervising Link CSM Command Sergeant Major CSMA/CD Carrier Sense Multiple Access/Collision Detection CSO Central Services Organization CSOC Consolidated Space Operations Center

CSP CSR CSRG CSRS CSS CST CT CT CTC CTC CTD CTIO CTNE CTS CTV CU CUA CV CW CW CW CW CW CWO CWO CWRU CXI CY CYO CZ

(at Colorado Springs) Control Switching Point Control and Status Register Computer Systems Research Group civil Service Retirement System Customer Switching System Central Standard Time Central Time Connecticut Canadian Transport Commission Centralized Traffic Control (railways) Computing and Telecommunications Division Cerro Tololo Inter-american Observatory Compania Telefonica Nacional de Espana Compatible Timesharing System Canadian TeleVision network Close-Up Common User Access Curriculum Vitae Car Wars Chemical Warfare Child Welfare Churchwarden Continuous Wave Cash With Order Chief Warrant Officer Case Western Reserve University Common X-windows Interface Calendar Year Catholic Youth Organization Canal Zone

D D D&D D/A D/F DA DA DA DA Depth Dungeons & Dragons Digital to Analog converter Direction Finding Days after Acceptance Department of Agriculture Deposit Account Directory Assistance (/C = computerized, /M = Microfilm) DA District Attorney DA Don't Answer DAC Digital to Analog Converter DACCS Digital Access Cross Connect System DAD Draft ADdendum DAR Daughters of the American Revolution DARPA Defense Advanced Research Projects Agency DASD Direct Access Storage Device DAT Digital Audio Tape DATA Defense Air Transport Administration

DAV DB DB DBF DBME DBMS

Disabled American Veterans DataBase DeciBels DBase Format DataBase Managment Environment DataBase Management System (rdbms for Relational...) DBRAD Data Base Relational Application Directory DC Direct Current (dc, see also AC) DC District of Columbia DCA Defense Communications Agency DCA Distributed Communication Architecture DCA Document Content Architecture DCC Descriptive Cataloging Committee DCCO Defense Commercial Communications Office DCE Data Communication Equipment DCL Digital Command Language DCP Distributed Communications Processor 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 DDC Digital Data Converter DDD Direct Distance Dial(ing) DDL Document Description Language DDN Defense Data Network DDP Distributed Data Processing DDS Doctor of Dental Science DDS Doctor of Dental Surgery DE Delaware DEA Drug Enforcement Agency DEAR Department of Energy Acquisition Regulation DEC Digital Equipment Corporation DES Data Encryption Standard DEW Distant Early Warning (as in DEW Line) DF Damage Free DF Direction Finding DFC Distinguished Flying Cross DFD Data Flow Diagram DFE Data Flow Editor DFM Distinguished Flying Medal DFS Depth-First Search DFW Dallas-Ft.Worth (regional airport) DG Dei Gratia (by the grace of God) DG Director General DGSC Defense General Supply Center DHHS Department of Health and Human Services DHSS british Department of Health and Social Security DIA Document Interchange Architecture DIAD (magnetic) Drum Information Assembler/Dispatcher DIAL Direct Information Access Line DIAS Defense Automatic Integrated System

DID Direct Inward Dialing DIF Document Interchange Format DIN Deutsches Institut fur Normung DIRE Dire Is Really Emacs DIS Draft International Standard (ISO) DISOSS DIStributed Office Support System DIY Do It Yourself DJ Disc Jockey DLA Defense Logistics Agency DLL Dial Long Line equipment DLO Dead Letter Office DM Dungeon Master DMA Direct Memory Access DMD Doctor of Dental Medicine DME Distance Measuring Equipment DMOS Diffusion Metal Oxide Semiconductor (see MOS) DMV Department of Motor Vehicles DMZ DeMilitarized Zone DNA DeoxyriboNucleic Acid DNA Digital Network Architecture DNHR Dynamic NonHierarchical Routing DNIC Data Network Identification Code DNL Director of Naval Laboratories DNR Dialed Number Recorder DOA Dead On Arrival DOB Date Of Birth DOC Dynamic Overload Control DOD Department Of Defense DOE Department of Energy DOMAIN Distributed Operating Multi Access Interactive Network (Apollo) DOS Disk Operating System DOT Department Of Transportation DOT&E Director, Operational Test and Evaluation DP Data Processing DP Dial Pulse DP Displaced Persons (expelled from native land) DP Display Postscript DP Double Play DP Draft Proposal DPA Delegation of Procurement Authority DPANS Draft Proposed American National Standard DPI Dots Per Inch DPS Display PostScript DQ Dairy Queen DQ Dragon Quest DQL Database Query Language 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 Digital Research, Incorporated

DS Double-Sided DSA Dial System Assistance DSE Data Structure Editor DSEE Domain Software Engineering Environment DSM Distinguished Service Medal DSO Distinguished Service Order DSP Decessit Sine Prole (died without issue) DSP Digital Signal Processing DSRI Digital Standard Relational Interface DSS Decision Support System DSS Direct Station Selection DST Daylight Saving Time DSTN Double SuperTwisted Nematic DT Delirium Tremens DTE Data Terminal Equipment DTF Dial Tone First payphone DTMF Dial Tone Multi Frequency DTP DeskTop Publishing DTR Data Terminal Ready DUI Driving Under the Influence DUT Device Under Test DV Deo Vo lente (God willing) DVD Digital Versatile Disc or Digital Video Disc DVM Digital Volt Meter DVM Doctor of Veterinary Medicine DWAPS Defense Warehousing Automated Processing System DWI Driving While Intoxicated DWIM Do What I Mean DX Distance (as in long distance radio communication) DXT Data eXtractT facility

E E East E Espionage E&EO Errors and Omissions Excepted E-MAIL Electronic MAIL EADASS Engineering and Administrative Data AcquiSition System EAS Extended Area Service (or Engineering Admin. System) EBCDIC Extended Binary Coded Decimal Interchange Code ECAFE Economic Commission for Africa and the Far East ECASS Electronically Controlled Automatic Switching System ECASS Export Control Automated Support System ECC Error Correction Code ECCM Electronic Counter-CounterMeasures ECDO Electronic Community Dial Office

ECG ECL ECM ECM ECO ECO ECT ED&D EDGAR

ElectroCardioGram Emitter Coupled Logic (see also TTL) Electronic Counter Measure European Common Market Electronic Central Office Engineering Change Order ElectroConvulsive Therapy Expert Dungeons & Dragons Electronic Data Gathering, Analysis, and Retrieval EDI Electronic Data Interchange EDIF Electronic Design Interchange Format EDP Electronic Data Processing EDS Electronic Data Systems EDT Eastern Daylight Time EDTA Ethylene Diamine Tetraacetic Acid EDTCC Electronic Data Transmission Communications Central EE Electrical Engineer EE Electrical or Electronics Engineer EEC European Economic Community EEG ElectroEncephaloGram EEL Epsilon Extension Language EEPROM Electrically Erasable Programmable Read Only Memory EGA Enhanced Graphics Adapter EHF Extremely High Frequency (30-300GHz) EINE EINE Is Not Emacs EISA Extended Industry-Standard Architecture EISS European Intelligence Support System EKG ElectroKardioGramm (see ECG) EL ElectroLuminescent (as in display) ELF Extremely Low Frequency ELO Electric Light Orchestra ELP Emerson, Lake and Palmer (or Powell) EM Enlisted Man (see EW) EMA Electronic Mail Association EMACS Editor MACroS EMACS Eight Megabytes And Constantly Swapping EMF ElectroMotive Force EMI ElectroMagnetic Interference EMP Electromagnetic Pulse EMPRESS EnvironMental Pulse Radiation Environment Simulator for Ships EMR ElectroMagnetic Response EMS Electronic Message System EMS Extended Memory Specification EMT Emergency Medical Technician EMU ElectroMagnetic Unit ENIAC Electronic Numerical Integrator and Calculator ENS ENSign EO End Office EO Erasable Optical EOF End Of File EOM End Of Month

EP EP EPA EPOS

Experience Points Extended Play Environmental Protection Agency Engineering and Project-management Oriented Support system EPRI Electric Power Research Institute EPROM Erasable Programmable Read Only Memory EPS Encapsulated PostScript EPT Empire of the Petal Throne EQ Educational Quotient (see IQ) ER Emergency Room ERA Earned Run Average ERA Entity-Relationship-Attribute ERA Equal Rights Amendment ERD Entity-Relation Diagram ERE Entity Relationship Editor ES Expert System ESA European Space Agency ESAC Electronic Systems Assistance Center ESDI Enhanced Standard Device Interface ESE East South East ESM Electronic Support Measures ESO European Southern Observatory ESP Extra Sensory Perception ESPS Entropic Signal Processing System ESS Electronic Switching System ESSEX Experimental Solid State EXchange EST Eastern Standard Time ET Eastern Time ET ExtraTerrestrial ETA Estimated Time of Arrival ETC Et cetera, and so on... ETD Estimated Time of Departure ETFD Electronic Toll Fraud Device ETH Eidgnoessiche Techniche Hochschule ETS Electronic Translator System ETV Education TeleVision EUUG European Unix User Group EVA ExtraVehicular Activity EVX Electronic Voice eXchange EW Electronic Warfare EW Enlisted Woman (see EM) EWOS European Workshop for Open Systems

F FA Football Association (British soccer--a word derived from Association) FAA Federal Aviation Agency FACD Foreign Area Customer Dialing FAO Food and Agriculture Organization of The United States FAR Federal Acquisition Regulations FAS Foreign Agricultural Service

FAS Free Alongside Ship FASST Flexible Architecture Standard System Technology FAT Foreign Area Translation FAX FAcsimile FB Freight Bill FBI Federal Bureau of Investigation FCC Federal Communication Commission FCC Federal Computer Conference FDA Food and Drug Administration FDDI Fiber Distributed Data Interface FDHD Floppy Drive High Density FDIC Federal Deposit Insurance Corporation FDM Frequency Division Multiplexing FDR Franklin Delano Roosevelt FEA Finite Element Analysis FEDSIM FEDeral Systems Integration and Management center FEMA Federal Emergency Management Agency FEPC Fair Employment Practices Commission FERS Federal Employees Retirement System FET Federal Excise Tax FET Field Effect Transistor FFA Future Farmers of America FFT Fast Fourier Transform FHA Federal Home Administration FHA Future Homemakers of America FIB Focused Ion Beam FICA Federal Insurance Contributions Act FIDO Fog Investigation Dispersal Operation FIFO First In First Out (as in registers and buffers) FILO First In Last Out (see also FIFO) FIMS Forms Interface Management System FINE FINE Is Not Emacs FIO Frequency In and Out FIPS Federal Information Processing Standard FIR Finite Impulse Response FIRMR Federal Information Resource Management Regulation FIT Federal Information Technologies, inc. FL Florida FLACC Full Level Algol Checkout Compiler FLOPS FLoating-point OPerations per Second FLRA Federal Labor Relations Authority FM Frequency Modulation FMB Federal Maritime Board FMCS Federal Mediation and Conciliation Service FMS Financial Management Service (Treasury Dept) FMS Forms Management System FO Foreign Office FO Forward Observer FOAC Federal Office Automation Center FOB Free On Board FOC Free Of Charge FOIA Freedom Of Information Act

FOIMS Field Office Information Management System 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 FOSE Federal Office Systems Exposition FOT Free On Truck FOV Field Of View FPA Floating Point Accelerator FPC Fish Protein Concentrate FPE Floating Point Engine FPHA Federal Public Housing Authority FPLA Field Programmable Logic Array (see PLA) FPM Feet Per Minute FPO Field Post Office FPO Fleet Post Office FPS Feet Per Second FRACTAL FRACTional dimensionAL FRED Fred Resembles Emacs Deliberately FRG Federal Republic of Germany (West Germany) FROG Free Rocket Over Ground FRPG Fantasy Role Playing Game FRS Federal Reserve System FSF Free Software Foundation FSK Frequency Shift Keying FSLIC Federal Savings and Loan Insurance Corporation FSS Federal Supply Service FSW Forward Swept Wings FT Foot FTAM File Transfer And Management FTC Federal Trade Commission FTL Faster Than Light FTP File Transfer Protocol FTS Federal Telephone System FUBAR F***ed Up Beyond All Recognition FW Fringeworthy FWD Front Wheel Drive FWHM Full Width at Half Maximum FX Foreign eXchange FY Fiscal Year FYI For Your Information

G GA GA GA GA GA Gamblers Anonymous General Assembly General Average General of the Army Georgia

GAAP GAN GAR GATT GAW GB GB GB GBIP GC GC GCA GCC GCD GCL GCM GCR GCT GDB GE GEM GHQ GHz

Generally Accepted Accounting Principles Global Area Network Grand Army of the Republic General Agreement on Tariffs and Trade Guaranteed Annual Wage Gangbusters GigaByte Great Britain General Purpose Interface Bus Garbage Collection (LISP) Gas Chromatograph (or Chromatography) Ground Controlled Approach Gnu C Compiler Ground Controlled Descent Graphics Command Language General Court Martial Group-Coded Recording (magnetic tape, 6250 bpi) Greenwich Civil Time Gnu DeBugger General Electric Graphics Environment Manager General HeadQuarters Giga HertZ (unit of frequency, 1,000,000,000 cycles per second) GI Galvanized Iron GI Gastro Intestinal (as in upper GI) GI General Issue GI Government Issue GIF Graphics Interchange Format GIGO Garbage In Garbage Out GIN Graphics INput GISS Goddard Institute for Space Studies GKS Graphical Kernel Standard GM Game Master GM General Manager GM General Motors GM Guided Missile GMBH Gesellschaft Mit Beschraenkter Haftung GMT Greenwich Mean Time GNP Gross National Product GNU GNU's Not Unix GOES Geostationary Orbiting Environmental Satellites GOSIP Government OSI Profile GP General Practitioner GPI Graphics Programming Interface GPIB General-Purpose Interface Bus GPO General Post Office GPO Government Printing Office GPS Global Positioning System GQ General Quarters GRB Gamma Ray Burst(er) GREP Global Regular Expression Print, g/re/p, (UNIX command) GRO Gamma Ray Observatory GS General Schedule GS Glide Slope

GSA General Services Administration GSA Girl Scouts of America GSBCA General Services administration Board of Contract Appeals GSFC Goddard Space Flight Center GSTS Ground-based Surveillance and Tracking System GT Gross Ton GTE General Telephone and Electric GTSI Government Technology Services, inc. GUI Graphical User Interface GW Gamma World GWEN Ground Wave Emergency Network

H H H HACD HAL Harn Height Home Area Customer Dialing Heuristically programmed ALgorithmic computer (2001) HAM Hold And Modify HBM Her British Majesty, His British Majesty HBO Home Box Office HC Holy Communion HC House of Commons HCFA Health Care Financing Administration HCL High Cost of Living HD Hard Disk HD Heavy Duty HDA Head Disk Assembly (in winchester disk drives) HDBV Host Data Base View HDL High Density Lipoprotein HDLC High-level Data Link Control (IBM network stuff) HDTV High Definition Television HE His Eminence, His Excellency HEAO High Energy Astronomical Observatory HEMP Help End Marijuana Prohibition HERO Hazards of Electromagnetic Radiation to Ordnance HF High Fantasy HF High Frequency (3-30MHz) HFE Human Factors Engineering HFS Hierarchical File System HI Hawaii HIIPS Hud Integrated Information Processing Services HLL High-Level Language HMOS High performance Metal Oxide Semiconductor (see MOS) HMS His/Her Majesty's Ship HMT His/Her Majesty's Transport HNPA Home Numbering Plan Area HOBIS HOtel Billing Information System HOL High-Order System HP Hewlett Packard, inc.

HP HP

High Pressure Higher Power (sort of an AA "in" term, usually God) HP Hit Points HP HorsePower HPGe High Purity Germanium HPL/T High-Productivity Languages/Tools HQ HeadQuarters HR House of Representatives HRH Her Royal Highness HRH His Royal Highness HS High School HSB Hue, Saturation, Brightness HST Hawaiian Standard Time HT High Tension (as in electric power transmission) HTK Hits To Kill HUAC House Unamerican Activities Committee HUD Heads Up Display HUD Housing and Urban Development HVAC Heating, Ventilation, and Air Conditioning HW2000 Highway 2000 HWM High-Water Mark Hb HemogloBin Hz HertZ (unit of frequency, cycles per second)

I I/O IAEA IATA IBM IC ICB ICBM ICE ICI ICJ ICL ICP ICP ICRC ID ID IDA IDA IDDD IDE IDF IE IEE IEEE IF Input/Output International Atomic Energy Agency International Air Transport Association International Business Machines, inc. Integrated Circuit Interstate Computer Bank InterContinental Ballistic Missile In-Circuit Emulator Imperial Chemical Industries International Court of Justice International Computers Ltd. Integrated Channel Processor Inventory Control Points International Cosmic Ray Conference IDentification Idaho Intercommunication Data Areas International Development Association International Direct Distance Dialing Interactive Development Environments, inc Intermediate Distributing Frame Indo-European Institute of Electrical Engineers (UK) Institute of Electrical and Electronics Engineers Intermediate Frequency (as in IF stage)

IFB IFC IFC IFF IFF IFLA

Invitation For Bids International Finance Corporation International Freighting Corporation Identification, Friend or Foe Interchange File Format International Federation of Library Associations IGES Initial Graphics Exchange Standard 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 ILO International Labor Organization ILS Instrument Landing System IMF International Monetary Fund IMHO In My Humble Opinion IMP Interface Message Processor (ARPAnet) IMSL International Mathematical Subroutine Library IN Indiana INADS INitialization and ADministration System INRA 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 INSTITUTE INSTITUTE's Name Shows That It's Totally Unrelated To EMACS INTAP INteroperability Technology Association for information Processing INWATS INward Wide Area Telephone Service IO Input/Output (sometimes I/O) IOD Identified Outward Dialing IOOF International Order of Odd Fellows IOU I Owe you (U) IP Innings Pitched IP Intermediate Point IPC Inter-Process Communication IPE Integrated Programming Environment IPMS InterPersonal Message Services IPS Information Processing Standards IPSE Integrated Project-Support Environment IQ Intelligence Quotient (see EQ) IR Index Register IRA Individual Retirement Account IRA Irish Republican Army IRAS Infrared Astronomical Satellite IRBM Intermediate Range Ballistic Missile IRDS Information Resource Dictionary Standard IRDS InfraRed Detection Set IRE Institute of Radio Engineers (old name for the now IEEE, which see) IRM Information Resources Management IRMS Information Resources Management Service

IRS IS IS ISA ISAM ISBD ISC ISC ISCH

Internal Revenue Service Information Systems International Standard Industry-Standard Architecture Indexed Sequential Access Method International Bibliographic Description Information Services Center International Switching Center 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 ISO International Standards Organization ISOO Information Security Oversight Office ISPM International Solar Polar Mission ISR Institute of Snow Research ISRG Independent Space Research Group ISV Independent Software Vendor IT Industrial Technology IT Information Technology ITC Inter-Task Communication ITS Incompatible Timesharing System ITT International Telephone and Telegraph ITU International Telecommunications Union ITUSA IT Users Standards Association IUS Inertial Upper Stage

J JACM JBS JC JC JC JC JCA JCAC JCAE JCEE JCET JCS JD JDS JES JFK JFMIP JGR Journal of the Association for Computing Machinery John Birch Society Jesus Christ Joint Compound (plumbing) Julius Caesar Junior College Jewelry Crafts Association Joint Civil Affairs Committee Joint Committee on Atomic Energy Joint Council on Economic Education Joint Council on Educational Television Joint Chiefs of Staff Justice Department John Dewey Society John Ericsson Society John F. Kennedy (international airport) Joint Financial Management Improvement Program Journal of Geophysical Research

JI Justice, Inc. JIC Joint Intelligence Center JIC Just in Case 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 JMS John Milton Society JO Job Order JO Junior Officer JOVE Jonathan's Own Version of Emacs JOVIAL Jules Own Version of the International Algorithmic Language JPL Jet Propulsion Laboratory JRC Junior Red Cross JSC Johnson Space Center JSD Jackson System Development JSRC Joint Services Review Committee JTIDS Joint Tactical Information Distribution Systems JV Junior Varsity

K K&R Kernighan and Ritchie, the c programming language K9 canine (K9 corps, army dogs) KB KiloByte KC King's Counsel (QC when queen reigning) KC Knights of Columbus KD Kiln Dried KD Knocked Down KDCI Key Display Call Indicator KERMIT Kl-10 Error-free Reciprocal Micro Interconnect over Tty lines KHz Kilo HertZ (unit of frequency, 1000 cycles per second) KI Kiwanis International KIA Killed In Action KIAS Knot Indicated Air Speed KO Knock Out KP Key Pulse KP Kitchen Police KPNO Kitt Peak National Observatory KPO KeyPunch Operator KQC King's College London KS King's Scholar KSC Kennedy Space Center KSU Key Service Unit KTS Key Telephone System KTU Key Telephone Unit

KWIC KY

Key Word In Context Kentucky

L LA LA LA LADAR LAM LAMA LAN LAN LAR LASER Los Angeles Louisiana Low Altitude LAser Detection And Ranging Master of Liberal Arts Local Automatic Message Accounting Local Apparent Noon Local Area Network Local Acquisition Radar Light Amplification by Stimulated Emission of Radiation LAT Local Apparent Time LATA Local Access Transport Area LAX Los Angeles International Airport LB Light Bomber LB pound (LiBra) LBHS Long Beach High School LBL Lawrence Berkeley Labs LC inductor-Capacitor circuit (as in filters, L is symbol inductance) LCD Liquid Crystal Display LCD Lowest Common Denominator LCDR Lieutenant Commander LCM Life Cycle Management LCT Landing Craft Tanks LDEF Long Duration Exposure Facility LDL Low Density Lipoprotein LDX Long Distance eXtender LEAP Low-power Enhanced At Portable LED Light Emitting Diode LEM Lunar Excursion Module LF Low Frequency (30-300KHz) LH Left Hand LH Lower Half LH Luteinizing Hormone (same as ISCH) LHD Litterarum Humaniorum Doctor (doctor of human letters) LHS Left Hand Side LI Long Island LIFIA Laboratoire d'Informatique Fondamentale et d'Intelligence Artificielle LIFO Last In First Out (see FIFO) LINC Laboratory INstrument Computer LISP LISt Processing Language LIU Line Interface Unit LL Late Latin LL Long Lines LLAMA Logic Lacking A Meaningful Acronym LLB Legum Baccalaureus (bachelor of laws)

LLD Legum doctor (doctor of laws) LLN Line Link Network LLNL Lawrence Livermore National Laboratories LLP Line Link Pulsing LM Life Master (Contract Bridge ranking) LM Lunar Module LMC Large Magellanic Cloud (see SMC) LMOS Line Maintenance Operations System LNG Liquified Natural Gas LOA Lands of Adventure LOOPS Lisp Object Oriented Programming System LOP Lines Of Position LOTS Low Overhead Timesharing System LP Long Playing record LP Low Pressure LPC Linear Predictive Coding (speech processing) LPDA Link Problem Determination Aid LPF League for Programming Freedom LPG Liquified Petroleum Gas LPG Low Pressure Gas LPN Licensed Practical Nurse LPP Licensed Program Products LPR Line PrinteR LRBM Long Range Ballistic Missile LRC Longitudinal Redundancy Character LRU Line Replaceable Unit LS Left Side LS Letter Signed LS Locus Sigilli (place of seal) LSB Least Significant Bit, Least Significant Byte LSC LightSpeed C LSD Least Significant Digit LSD LySergic acid Diethylamide LSD pounds (Libra), shillings (Sestertii), and (old) pence (Denarii) LSI Large Scale Integration LSP LightSpeed Pascal LSS Life Support System LSS Loop Switching System LSSD Level-Sensitive Scan Detection LT Long Ton LT Low Tension LTC Lieutenant Colonel LTJG Lieutenant Junior Grade LTL Less than Truckload Lot LUG Local Users Group LUT Look-Up Table LWM Low-Water Mark LZ Landing Zone

M M Miniatures

MA Massachusetts MAAP Maintenance And Administration Panel MAC Military Air Command MACSYMA project MAC's SYmbolic MAnipulation System MAD Mutual Assured Destruction MADD Mothers Against Drunk Driving MAG Magazine MAN Metropolitan Area Network MAP Manufacturing Automation Protocol MARBI MAchine Readable form of Bibliographic Information MARC MAchine Readable card Catalog MARS Multiuser Archival and Retrieval System MASC Multiple Award Schedule Contract MASER Microwave Amplification by Stimulated Emission of Radiation MASH Mobile Army Surgical Hospital MAST Multi-Application SOnar Trainer MAT-CALS Marine Air Traffic-Control And Landing System MAU Math Acceleration Unit MB MegaByte MBA Master Business Administration MC Master of Ceremonies MCA Micro Channel Architecture MCAE Mechanical Computer Aided Engineering MCC Master Control Console MCC Microelectronics and Computer technology Corporation MCP Master Control Program MCP/AS Master Control Program/Advanced System MCPO Master Chief Petty Officer MD Maryland MD Medical Doctor MD Months after Date MDAS Magnetic Drum Auxiliary Sender MDE Modular Design Environment MDF Main Distribution Frame MDT Mean Down Time ME Maine ME Mechanical Engineer MERP Middle-Earth Role Playing MEd Master of EDucation MF Medium Frequency (300-3000KHz) MF Middle French MF Multi-Frequency MFA Master Fine Arts MFLOPS Million FLoating-point OPerations per Second MFM Modified Frequency Modulation MFS Macintosh File System MG Machine Gun MG Major General MG Military Government MGH Massachusetts General Hospital MGM Metro-Goldwyn Mayer

MHD MHz

MagnetoHydroDynamics Mega HertZ (unit of frequency, 1,000,000 cycles per second) MI Michigan MI Military Intelligence MIA Missing In Action MIDI Musical Instrument Digital Interface MIFASS Marine Integrated Fire And Support System MILNET MILitary NETwork MIM Morality In Media MIMD Multiple Instruction, Multiple Data MINCE MINCE Is Not Complete Emacs MIPS Million Instructions Per Second MIRV Multiple Independently-Targetable Reentry Vehicle MIS Management Information Systems MIT Massachusetts Institute of Technology ML Middle Latin MLA Member of Legislative Assembly (see MPP) MLD Minimum Lethal Dose MLS Microwave Landing System MLS Multi-Level Security MM Maryknoll Missioners MMES Martin Marietta Energy Systems MMFS Manufacturing Message Format Standard MMM see 3M MMU Memory Management Unit MN Minnesota MNA Member of National Assembly (Quebec) MNP Microcom Networking Protocol MO Mail Order MO Medical Officer MO Missouri MO Modus Operandi MO Money Order MOR Middle-Of-the-Road MOS Metal Oxide Semiconductor MOSFET Metal Oxide Semiconductor Field Effect Transistor MOTIS Message-Oriented Text Interchange System MOU Memorandum Of Understanding MOUSE Minimum Orbital Unmanned Satellite of Earth MP Melting Point MP Member of Parliament MP Metropolitan Police MP Military Police(man) MPG Miles Per Gallon MPH Miles Per Hour MPP Member of Provincial Parliament (Canada, also MLA) MPW Macintosh Programmer's Workshop MR Miniatures Rules MRP Manufacturing Requirements Planning MS ManuScript MS Master of Science MS Military Science

MS Motor Ship MS Multiple Sclerosis MS-DOS MicroSoft DOS MSB Most Significant Bit or Most Significant Byte MSC MicroSoft C MSCP Mass Storage Control Protocol MSD Most Significant Digit MSE Mobile Subscriber Equipment MSG MonoSodium Glutamate MSH Marvel Super Heroes MSL Mean Sea Level MSPE Mercenaries, Spies & Private Eyes MSS Management Support System MSS ManuScriptS MSS Mass Storage System MST Mountain Standard Time MT Metric Ton MT Mountain Time MTA Message Transfer Agent MTA Metropolitan Transportation Authority MTBF Mean Time Between Failures MTR Magnetic Tape Recording MTSO Mobile Telephone Switching Office MTTF Mean Time To Failure MTV Music TeleVision MUF Maximum Usable Frequency (max freq during sunspot activity) MULTICS MULTiplex Information Computer Services MUMPS Mgh Utility MultiProgram System MUNG Mung Until No Good (see the hacker's dictionary) MUX MUltipleXor MVA MegaVolt Ampere MX Missile eXperimental MeV Million Electron Volts

N N N NA NA NA NAACP North Notice Narcotics Anonymous North America Not Applicable National Association for the Advancement of Colored People NAAS North American Automated Systems co. NAB National Association of Broadcasters NABISCO NAtional BIScuit COmpany NACS National Advisory Committee on Semiconductors NAD Network Access Device NADGE NATO Air Defense Ground Environment NAG Numerical Algorithms Group

NAGE

National Association of Government Employees NAK Negative AcKnowledge NAPAP National Acid Precipitation Assessment Program NAR Nuclear Acoustic Resonance NARDAC NAvy Regional Data Automation Center NAS National Academy of Sciences NAS National Advanced Systems NASA National Aeronautics and Space Administration NASA/GSFC NASA Goddard Space Flight Center NATO North Atlantic Treaty Organization NAVDAC NAVal Data Automation Command NAVSWC NAV Surface Weapons Center NB New Brunswick NB Nota Bene NBA National Basketball Association NBC National Broadcasting Company NBFM NarrowBand Frequency Modulation NBO Network Build Out NBS National Bureau of Standards NBVM Narrow Band Voice Modulation NC No Charge NC North Carolina NCA Network Control Analysis NCC National Computer Conference NCDC National Climatic Data Center NCE New Catholic Edition NCGA National Computer Graphics Association NCIC National Cartographic Information Center NCO Non-Commissioned Officer NCP Network Control Program NCR National Cash Register NCS Network Computing System NCSA National Center for Supercomputing Applications NCSC National Computer Security Center NCTL National Computer and Telecommunications Laboratory NCV No Commercial Value ND No Date ND North Dakota NDA Non-Disclosure Agreement NDDL Neutral Data Definition Language NDE News Development Environment NDEA National Defense Education Act NDL Network Database Language NDP New Democratic Party (Canada) NDSL National Direct Student Loan NDT Newfoundland Daylight Time NE New England NE North East NEAR National Electronic Accounting and Reporting system NEB New English Bible NEC Nippon Electric Company NEI Not Elsewhere Included

NES National Energy Strategy NES Not Elsewhere Specified NESC National Energy Software Center NET NETwork NET National Educational Television NEWS Network extensible Window System NEXRAD NEXt generation weather RADar NF No Funds NFC National Football Conference NFFE National Federation of Federal Employees NFL National Football League NFS Network File System NG National Guard NG No Good NH New Hampshire NHI National Health Insurance NHL National Hockey League (the "nation" is Canada, BTW) NIC Network Information Center (ARPAnet) NIH National Institutes of Health NIH Not Invented Here NIM Nuclear Instrumentation Module (an electronic instr. standard) NIMH National Institute of Mental Health NIS Network Information System (formerly yp) NISO National Information Standards Organization NIST National Institute of Standards and Technology (formerly NBS) NJ New Jersey NL National League (baseball) NLM National Library of Medicine NLP Natural Language Processing NLRB National Labor Relations Board NLS Network License Server NM Nautical Mile NM New Mexico NM Night Message NM No Mark, Not Marked NMOS N channel Metal Oxide Semiconductor (N-MOS)(see MOS) NMR Nuclear Magnetic Resonance NNE North North East NNTP Net News Transfer Protocol NNW North North West NOA NSWC Office Automation NOAA National Oceanic and Atmospheric Administration NORAD NORth American Defense Command NORML National Organization for the Reform of Marijuana Laws NOS Not Otherwise Specified NOSC Naval Ocean Systems Center NOTIS Network Operator Trouble Information System NP No Protest NP Nondeterministic-Polynomial NP Notary Public NP Noun Phrase

NPA NPC NPL NPN NPN NPR NQS NRA NRC NRC NRE NRL NRO NRZ NRZI NRZI

Number Plan Area Non-Player Character (see PC) Non-Procedural Language Negative-Positive-Negative (transistor) NonProtein Nitrogen National Public Radio Network Queuing System National Rifle Association National Research Council Nuclear Regulatory Commission Non-Recurring Engineering (as in NRE costs) Naval Research Labs National Reconnaissance Office Non-Return to Zero Non-Return to Zero Indicates Non-Return to Zero Inverted (magnetic tape, 800 bpi) NS Not Specified NS Nova Scotia NS Nuclear Ship NSA National Security Agency NSC National Security Council NSE Network Software Environment NSF National Science Foundation NST Newfoundland Standard Time NSW New South Wales NSWC Naval Surface Warfare Center NSWC Naval Surface Weapons Center NT New Testament NT Newfoundland Time NT Northern Territory NTEU National Treasury Employees Union NTIS National Technical Information Service NTN Neutralized Twisted Nematic NTP Normal Temperature and Pressure (see STP) NTSB National Transportation Safety Board NTSC National Television Standards Committee NTSC Never The Same Color NTT Nippon Telephone & Telegraph NU Name Unknown NURBS NonUniform Rational B-Spline NUSC Naval Underwater Systems Command NV Nevada NW North West NWS National Weather Service NWT North West Territories NY New York NYC New York City NYSE New York Stock Exchange NZ New Zealand NZUSUGI New Zealand Unix System User Group, Inc.

O

OA Office Automation OA Overeaters Anonymous OAS Organization of American States OATS Office Automation Technology and Services OBE Order of the British Empire OBS Omni Bearing Selector OC Order of Canada OCDM Office of Civil Defense and Mobilization OCI Out of City Indicator OCLC Online Computer Library Center (Ohio College Library Catalog) OCO Object Code Only OCR Optical Character Recognition OCS Officer Candidate School OD Doctor of Optometry OD Oculus Dexter (right eye) OD Officer of the Day OD OverDose ODI Optical Digital Image ODISS Optical Digital Image Storage System OE Old English OED Oxford English Dictionary OEM Original Equipment Manufacturer OEO Office of Economic Opportunity OES Order of the Eastern Star OF Old French OFM Order of Friars Minor OFS Order of Free State OG Original Gum OH Ohio OIRA Office of Information and Regulatory Affairs OIU Office Interface Unit OJT On the Job Training OLTP On-Line Transaction Processing OMB Office of Management and Budget OMD Orchestral Manouevers in the Dark OMV Orbital Maneuvering Vehicle ON Old Norse ONC Open Network Computing ONI Office of Naval Intelligence ONI Operator Number Identification ONR Office of Naval Research OOP Object Oriented Programming OOPART Out Of Place ARTifact OOPS Object-Oriented Programming System OP OFFICEPOWER office automation system, trademark of CCI OP Observation Post OP Order of Preachers OP Out of Print OPEC Organization of Petroleum Exporting Countries OPM Office of Personnel Management OR Operating Room OR Oregon OR Owner's Risk, Own Risk

ORNL OROM OS OS OS OS OSB OSCAR

Oak Ridge National Laboratory Optical Read Only Memory Oculus Sinister (left eye) Operating System Ordinary Seaman Out of Stock Order of St. Benedict Orbiting Satellite Carry Amateur Radio (1st launched 12 Dec 1961) OSCRL Operating System Command Response Language OSD Office of the Secretary of Defense OSDIT Office of Software Development and Information Technology OSF Open Software Foundation OSF Order of St. Francis OSI Open Systems Interconnection OSI/RM Open Systems Interconnection/Reference Model OSME Open Systems Message Exchange OSP Optical Storage Processor OSS Office Support System OSS Office of Strategic Services (later CIA) OSS Operation Support System OSTP Office of Science and Technology Policy OT Old Testament OT OverTime OT&LF Open Taxi & Limousine Foundation OTA Office of Technical Assistance OTA Office of Technology Assessment OTB Off-Track Betting OTC Over The Counter (stocks) OTF Open Token Foundation OTH-B Over The Horizon, Backscatter (as in radar) OTR On The Rag OTS Officers' Training School OUTWATS OUTward Wide Area Telephone Service

PQ PA Pennsylvania PA Per Annum PA Play Aid PA Power of Attorney PA Press Agent PA Private Account PA Public Address PA Purchasing Agent PABX Private Automatic Branch eXchange PAD Packet Assembler-Disassembler (for networking) PAL Phase Alternation Line-rate PAL Programmable Array Logic PAM Pulse Amplification Modulation PARC Palo Alto Research Center, xerox PATROL Program for Administrative Traffic

Reports On Line Play By Mail game Public Broadcasting System Private Branch eXchange (mini-telephone network system) PC Peace Corps PC PerCent, PerCentage PC Personal Computer PC Player Character (see NPC) PC Post Card PC Post Cibum (after meals) PC Privileged Character PC Privy Council PC Program Counter PC Progressive Conservative party (Canada) PC-DOS Personal Computer DOS PC/AT Personal Computer/Advanced Technology PCB PolyChlorinated Biphenyls PCB Printed Circuit Board PCI Panel Call Indicator PCIE President's Council on Integrity and Efficiency PCL Printer Command Language PCM Plug-Compatible Mainframe PCM Pulse Code Modulation PCPC Personal Computers Peripheral Corporation PCS Permanent Change of Station PCTE Portable Common Tools Environment PCTS Posix Conformance Test Suite PD Per Diem PD Police Department PD Potential Difference PD Public Domain PDAD Proposed Draft ADdendum PDE Partial Differential Equation PDES Product Data Exchange Specifications PDF Program Development Facility PDL Page Description Language PDL Program Design Language PDP Plasma Display Panel PDP Programmed Data Processor PDQ Pretty Damned Quick PDT Pacific Daylight Time PE Phase Encoded PE Physical Education PE Prince Edward island PE Printer's Error PE Professional Engineer PE Protestant Episcopal PEI Prince Edward Island PEP Productivity Enhancement Project PEPE Pepe Est Presque Emacs PERL Pathologically Eclectic Rubbish Lister PERL Practical Extraction and Report Language PEX Phigs/phigs+ Extension to X PGA Professional Graphics Adapter PGA Pure Grain Alcohol PBM PBS PBX

PHA Pulse Height Analyzer (or Analysis) PHIGS Programmers Hierarchical Interactive Graphics System PHS Public Health Service PIF Paid In Full PIT Principal, Interest, and Taxes PIXEL PIcture ELement PLA Programmable Logic Array PLC Programmable Logic Controller PLCC Plastic Leaded Chip Carrier PLL Phase-Locked Loop PLM Programming Language for Microcomputers PLO Please Leave On PM PayMaster PM Police Magistrate PM Post Meridiem PM PostMaster PM PostMortem PM Preventive Maintenance PM Prime Minister PM Provost Marshal PM/X Presentation Manager for X windows PMO Prime Minister's Office PMOS P channel Metal Oxide Semiconductor (P-MOS) (see MOS) PMT PhotoMultiplier Tube PN Promissory Note PNP Positive-Negative-Positive (transistor) PO PettyOfficer PO Post Office PO Postal Order PO Purchase Order POC Port Of Call POD Pay On Delivery POE Port Of Embarkation POE Port Of Entry POGO Polar Orbiting Geophysical Observatory POM Phase Of Moon POPS Paperless Order Processing System POR Price On Request POS Point Of Sale POSI Promoting conference for OSI POSIX Portable Operating System for unIX POV Point Of View POW Prisoner Of War PP Parcel Post PP Past Participle PP Primary Point (or dial Post Pay payphone) PPB Parts Per Billion PPC Pour Prendre Conge' (to take leave) PPCS Person to Person, Collect, Special PPM Parts Per Million PPN Parameterized Post-Newtonian formalism for general relativity PPN Project Programmer Number PPS PostPostScriptum

PPT Pulse Pair Timing PQ Province of Quebec PR PayRoll PR Public Relations PR Puerto Rico PRC Planning Research Corporation PROFS PRofessional OFfice System PROM Programmable Read Only Memory PS PicoSecond PS PostScript PS PostScriptum PS Power Steering PS Power Supply PS Public School PSA Problem Statement Analyzer PSC Polar Stratospheric Clouds PSDS Public Switched Digital Service PSE Programming Support Environment PSG Platoon SerGeant PSK Phase Shift Keying PSL Problem Statement Language PSR "Product Specific Realizations PST Pacific Standard Time PSTN Public Switched Telephone Network PhysRev Physical Review Journal (Phys Rev) PT Pacific Time PT Patrol Torpedo (as in PT boat) PT Physical Therapy PT Physical Training PTA Parent-Teacher Association PTD Parallel Transfer Disk PTO Patent and Trademark Office PTO Please Turn Over PTO Power Take-Off PVO Pioneer Venus Orbiter PW Prisoner of War (usually POW) PWG Permanent Working Group PX Post eXchange (see BX) QAM QC QC QD QDA QED Quadrature Amplitude Modulation Quality Control Queen's Counsel Quaque Die (daily) Quantity Discount Agreement Quod Erat Demonstrandum (which was to be demonstrated) QEF Quod Erat Faciendum (which was to be done) QEI Quod Erat Inveniendum (which was to be found out) QET Quantum Effect Transistor QIC Quarter-Inch Cartridge QID Quater In Die (four times a day) QLI Query Language Interpreter QM QuarterMaster QMC QuarterMaster Corps QMF Query Management Facility

QMG QuarterMaster General QMS Quality Micro Systems QNS Quantity Not Sufficient QWERTY first six keys from left on top alphabetic row of standard keyboard

R R R&B R&D RA RA RA RAAF RACE RACEP Rolemaster Rhythm and Blues (commonly R and B) Research and Development (commonly R and D) Regular Army Research Assistant Royal Academy Royal Australian Air Force Random Access Card Equipment Random Access and Correlation for Extended Performance RAD Radiation Absorbed Dose RAD Rapid Access Disk RADAR RAdio Detection And Ranging RADM Rear ADMiral RAF Royal Air Force RAM Random Access Memory RARDE Royal Armaments Research and Development Establishment RAS Reliability, Availability, and Serviceability RASC Residence Account Service Center RBC Red Blood Count RBI Runs Batted In RBOC Regional Bell Operating Company RC Red Cross RC Regional Center RC Resistor-Capacitor circuit (as in filters) RC Roman Catholic RCA Radio Corporation of America RCAF Royal Canadian Air Force RCAS Reserve Component Automation System RCC Radio Common Carrier RCMP Royal Canadian Mounted Police RD Rural Delivery RDA Remote Data Access RDBMS Relational DataBase Management System RDF Radio Direction Finding REA Rail Express Agency REM Rapid Eye Movement REO R. E. Olds REO Removable, Erasable, Optical REXX Restructured EXtended eXecutor RF Radio Frequency RFC Request For Comments RFD Rural Free Delivery RFI Radio Frequency Interference

RFP RFS RGB RGP RH RHS RI RIACS

Request For Proposals Remote File System Red Green Blue Raster Graphics Processor Right Hand Right Hand Side Rhode Island Research Institute for Advanced Computer Science (NASA) RIAS Radio In the American Sector, berlin RIF Reading Is Fundamental RIF Reduction In Force RILM Repertoire International de Literature Musicale RIP Rest In Peace (or Requiescat In Pace : latin) RISC Reduced Instruction Set Computer RITA Recognition of Information Technology Achievement award RJE Remote Job Entry RLC Resistor Inductor Capacitor RLL Run Length Limited RMATS Remote Maintenance Administration and Traffic System RMS Root Mean Square RMS Royal Mail Ship RN Registered Nurse RN Royal Navy RNA RiboNucleic Acid RNZAF Royal New Zealand Air Force ROFF Run-OFF ROG Receipt Of Goods ROM Range Of Motion ROM Read Only Memory ROM Rupture Of Membrane (as in birth) ROTC Reserve Officers' Training Corps ROTS Rotary Out Trunks Selectors ROYGBIV Red, Orange, Yellow, Green, Blue, Indigo, Violet (ROY G. BIV) RPC Remote Procedure Call RPG RePort Generator RPG Role Playing Game RPM Revolutions Per Minute RPN Reverse Polish Notation RPO Railway Post Office RPS Revolutions Per Second RPV Remotely Piloted Vehicle RQ RuneQuest RR RailRoad RR Route Relay RR Rural Route RRO Rate and Route Operator RS Recording Secretary RS Revised Status RS Right Side RS Royal Society RSFSR Russian Soviet Federated Socialist Republic

RSN RSU RSV RSVP RSWC RT RT RTA RTAC RTF RTFM RTG RTR RTTY RU RW RW

Real Soon Now Remote Switching Unit Revised Standard Edition Repondez S'il Vous Plait (please reply) Right Side up With Care RadioTelephone RealTime Remote Trunk Arrangement Regional Technical Assistance Center Rich Text Format Read The F***ing Manual Radioisotope Thermoelectric Generator Reel-To-Reel Radio Teletype Receive Unit Right Worshipful Right Worthy

S S S S&C SA SA SA SA SA SA SA SA SAA SAA SAC SAC SADD SAM SAMA SAMTO SAP SAR SARTS SASE SASI SAW SBA SC SC SC SCAD SCADC SCAME SCAMP South Supplement Skull & Crossbones Salvation Army Seaman Apprentice Service Assistant Sex Appeal Sine Anno (without date) South Africa South America Subject to Approval South Atlantic Anomaly Systems Application Architecture Special Area Code Strategic Air Command (see TAC) Students Against Drunk Driving Surface-to-Air Missile Step-by-step Automatic Message Accounting Space And Missile Test Organization Second Audio Program Synthetic Aperture Radar Switched Access Remote Test System Self-Addressed Stamped Envelope Shugart Associates Systems Interface Surface Acoustic Wave Small Business Administration Sectional Center South Carolina SubCommittee Subsonic Cruise Armed Decoy Standard Central Air Data Computer SCreen oriented Anti-Misery Editor Single-Chip A-series Mainframe Processor

SCAN SCC

Switched Circuit Automatic Network Switching Control Center (or Specialized Common Carriers) SCCS Source Code Control System SCE Signal Conversion Equipment SCE Structure Chart Editor SCI SpaceCraft Incorporated SCIFI SCIence FIction (often used pejoratively of what really isn't) SCO Santa Cruz Operation SCOOPS SCheme Object Oriented Programming System SCOTS Surveilance and Control Of Transmission Systems SCSI Small Computer Systems Interface SCUBA Self Contained Underwater Breathing Apparatus SCUD Subsonic Cruise Unarmed Decoy SD South Dakota SDI Standard Disk Interconnect SDI Strategic Defense Initiative SDLC Synchronous Data Link Control SDO Staff Duty Officer SE South East SEATO SouthEast Asia Treaty Organization SEC Security Exchange Commission SECNAV SECretary of the NAVy SED Stream EDitor SEI Software Engineering Institute (Carnegie Mellon) SEL Software Engineering Laboratory SEM Scanning Electron Microscope SF San Francisco SF Science Fiction, Speculative Fiction SF Standard Form SF Star Frontiers SFRPG Science Fiction Role Playing Game SG StarGuard SG SubGroup SGML Standard Generalized Markup Language SHAPE Supreme Headquarters Allied Powers Europe SHAR SHell ARchiver SHCD Sherlock Holmes Consulting Detective SHF Super High Frequency (3-30GHz) SHRPG Super Hero Role Playing Game SI Staten Island SIAM Society for Industrial and Applied Mathematics SIG Special Interest Group SIGCAT Special Interest Group for Cd-rom Applications Technology SIMD Single Instruction, Multiple Data SIMM Single In-line Memory Module SIMM System Integrated Memory Module SINE SINE is not EINE SIPS Satellite Imagery Processing System SIS Strategic Information System SISCOM Satellite Information System COMpany SITA Societe Internationale Telecommunications

Aeronautiques Society of Jesus Salvage Loss Special Libraries Association Synchronous Line Adapter Sine Loco, Anno, (vel) Nomine (without place, year, or name) SLAR Side Looking Airborne Radar SLBM Submarine Launched Ballistic Missiles SLDC Synchronous Data Link Control SLIP Serial Line Internet Protocol SLP Super Long Play (VHS VCR) SM Service Mark SMA Sergeant Major of the Army SMA Spectrum Manufacturers Association SMC Small Magellanic Cloud (see LMC) SMD Storage Module Device (interface standard for disk drives) SMD Surface Mounted Devices SMEGMA Sophisticated Modern Editor with Gloriously Magnificent Abilities SMERSH Abbr. of Russian phrase meaning "Death to the spies." SMILS Sonobuoy Missile Impact Location System SMM Solar Maximum Mission SMTP Simple Mail Transfer Protocol SN Super Nova SNA Systems Network Architecture (IBM network) SNADS SNA Distribution Services SNAFU Situation Normal-- All Fouled Up (also, F*cked) SNAP Shipboard Non-tactical Automated data Processing program SNCF Societe National des Chemins de Fer (French National Railways) SNF Server-Natural Format SNMP Simple Network Management Protocol SNOBOL StriNg Oriented symbOLic Language SNR Signal to Noise Ratio SO Seller's Option SO Significant Other SO Space Opera SO Strike Out SOAP Symbolic Optimizing Assembler Program SOH Start Of Header, ASCII control character (dec=01,control-A) SOHIO Standard Oil of oHIO SOL Short on Landing (or, colloquially, Sh*t Out of Luck) SONAR SOund Detection And Ranging SOP Standard Operating Procedure SOS Silicon On Sapphire SP Shore Patrol SP Short Play (VHS VCR) SP Southern Pacific SP Stack Pointer SP Star Patrol SJ SL SLA SLA SLAN

SPA SPAG SPAR SPARC SPARC

Software Publishers Association Standards Promotion and Applications Group Stock Points Adp Replacement Scalable Processor ARChitecture Standards, Planning, And Requirements Committee SPAWAR naval SPAce and WARfare command SPC Software Productivity Consortium SPCA Society for the Prevention of Cruelty to Animals SPCC Society for the Prevention of Cruelty to Children SPEC Systems Performance Evaluation Cooperative SPITBOL SPeedy ImplemenTation of snoBOL SPNI Society for the Protection of Nature in Israel SPUR Systech Pluraxial Unplug Repeater SQL Structured Query Language SQUID Superconducting QUantum Interference Device SRAM Short Range Attack Missile SRAM Static RAM SRB Solid fuel Rocket Booster SRI Stanford Research Institute SRO Standing Room Only SSA Social Security Administration SSB Single Side Band SSE South-SouthEast SSFF Showcase Software Factory of the Future SSG Staff SerGeant SSI Small Scale Integration SSI Supplemental Security Income SSR Secondary Surveillance Radar SSR Soviet Socialist Republic SSTV Slow Scan TeleVision SSW South-SouthWest ST Short Ton STARS Software Technology for Adaptable, Reliable Systems STD Sacrae Theologiae Doctor (doctor of sacred theology) STD Sexually Transmitted Disease (replaces VD) STD State Transition Diagram STD Subscriber Trunk Dialing (British for DDD) STILO Scientific and Technical Intelligence Liaison Office STL St. Louis (airport designation) STN SuperTwisted Nematic STOL Short TakeOff and Landing STP Software Through Pictures STP Standard Temperature and Pressure (see NTP) STRPG Star Trek: The Role-Playing Game STV Single Transferable Vote SUM Symantec Utilities for Macintosh SUNOCO SUN Oil COmpany SUNY State University of New York SVID System V Interface Definition

SW South West SW SuperWorld SWIFT Society for Worldwide Interbank Financial Communications SWS Scientific Workstation Support

T T T&T TA TAC TAC TACCS Traveler Tunnels & Trolls Teaching Assistant Tactical Air Command (see SAC) Terminal Access Controller Tactical Army Combat service support Computer System TAE Transportable Applications Environment TAR Tape ARchiver TB TuBerculosis TBA To Be Announced TBD To Be Determined TC Teachers College TCA Terminal Controlled Airspace TCP/IP Transmission Control Protocol/Internet Protocol TCSEC Trusted Computer System Evaluation Criteria (orange book) TCT To Challenge Tomorrow TD TouchDown TD Treasury Department TDCC Transportation Data Coordinating Committee TDE Transition Diagram Editor TDI Trusted Database Interpretation TDY Temporary DutY TECO Tape Editor and COrrector TECO Text Editor and COrrector TEFLON polyTEtraFLuOrethyleNe TFP Tops Filing Protocol TFS Translucent File System TFT The Fantasy Trip TFT Thin Film Transistor TG Thieves' Guild THIEF THief Isn't Even Fine THIEF This Here Isn't Even Fine THOR Tandy High-intensity Optical Recording TI Texas Instruments TIA Thanks In Advance (special to USENET) TIA Transient Ischemic Attack TIC TermInfo Compiler TID Ter In Die (three times a day) TIFF Tag Image File Format TKO Technical Knock Out TL Total Loss TLA Three Letter Acronym TLC Tender Loving Care

TLI TM TMA TMAC

Transort-Level Interface TradeMark Tycho Magnetic Anomaly (2001) Treasury department's Multiuser Acquisition Contract TMIS Telecommunications Management Information System TMO Telephone Money Order TMP The Morrow Project TN Tennessee TN Twisted Nematic TNT TriNitro Toluene TO Telegraph Office TO Turn Over TODS Transactions on Database Systems (ACM) TOMS Transactions on Mathematical Software (ACM) TOOIS Transactions on Office Information Systems (ACM) TOP Technical/Office Protocol TOPLAS Transactions on Programming Languages and Systems (ACM) TORES Text ORiented Editing System TOW Tube launched, Optically tracked, and Wire guided TP Transaction Processing TPC The Phone Company (from classic movie: The President's Analyst) TPI Tracks Per Inch TPO Traveling Post Office TPS Technical Publishing Software TPS TeleProcessing Services TROFF Text RunOFF, text formatter TRUSIX TRUSted unIX TRW Thompson, Ramo, and Woolridge TS Top Secret TSD Total System Design TSP Teleprocessing Services Program TSP Thrift Savings Plan TSP Time Synchronization Protocol TSP TriSodium Phosphate TSR TSR (Fortune 500 Company that manufactures Dungeons & Dragons) TTFN Tah Tah, For Now TTL Transistor Transistor Logic TTMA Tennessee Tech Microcomputer Association TTU Tennessee Technological University TTY TeleTYpe TUNIS Toronto UNIversity System TV TeleVision TVA Tennessee Valley Authority TW Thieves' World TWA Trans World Airlines TWIMC To Whom It May Concern TWT Traveling Wave Tube TWX TeletypeWriter eXchange TX Texas

U U Universe UA United Artists UAR United Arab Republic UAR User Action Routine UART Universal Asynchronous Receiver Transmitter UBA UniBus Adapter UBC Universal Bibliographic Control UCB University of California at Berkeley UCD University of California at Davis UCI University of California at Irvine UCLA University of California at Los Angeles UCR University of California at Riverside UCSB University of California at Santa Barbara UCSC University of California at Santa Cruz UCSD University of California at San Diego UCSF University of California at San Francisco UDB Unified DataBase UDP User Data Protocol UEC User Environment Component UFO Unidentified Flying Object UH Upper Half UHF Ultra High Frequency (300-3000MHz) UIMS User Interface Management System UK United Kingdom UL Underwriters Laboratory ULANA Unified Local-Area Network Architecture UMT Universal Military Training UN United Nations UNESCO United Nations Educational, Scientific, & Cultural Organization UNICEF United Nations International Children's (Emergency) Fund UNICS UNiplex Information Computer Services UNIX Not an acronym at all. Was a joke on MIT's MULTICS. UNO United Nations Organization UP Union Pacific UPC Universal Product Code UPI United Press International UPS Uninterruptible Power Supply UPS United Parcel Service UR University of Rochester USA Union of South Africa USA United States Army USA United States of America USAF United States Air Force USAFA United States Air Force Academy (in Colorado Springs) USC University of Southern California USCG United States Coast Guard USDA United States Department of Agriculture

USES USFL USGS USIA USM USMC USN USO USO USP USPS USR USS USSR USSS USW UT UT UT UT UTC UUCP UUG UV UW UW

United States Employment Service United States Football League United States Geological Survey United States Information Agency United States Mail United States Marine Corps United States Navy United Service Organizations Unix Software Operation United States Pharmacopeia United States Postal Service User Service Routines United States Ship Union of Soviet Socialist Republics User Services and Systems Support Und So Weiter UTah Universal Time University of Tennessee University of Texas Universal Coordinated Time Unix-to-Unix CoPy Unix User Group UltraViolet UnderWriter Univ of Wisconsin

V V&V VA VA VAN VANS VAR VASI VAT VAX VAXBI VCM VCO VCR VCU VD VDFM VDI VDM VDM VDT VF VFO VFW VG Villains & Vigilantes Veterans Administration Virginia Value Added Network (e.g. Tymnet, Telenet, etc) Value-Added Network Services Value Added Remarketer (reseller) Visual Approach Slope Indicator Value Added Tax Virtual Address eXtended VAX Bus Interconnect Voice Coil Motor Voltage Controlled Oscillator VideoCassette Recorder Virginia Commonwealth University Venereal Disease (see also STD) Virtual Disk File Manager Virtual Device Interface Vienna Development Method Virtual Device Metafile Video Display Terminal Video Frequency Variable Frequency Oscillator Volunteer Fire Department Very Good

VG VGA VHDL VHF VHS VHSIC VI VIABLE VILE VINE VIP VISTA VITA VJ VL VLA

Vicar-General Video Graphics Array Vhsic Hardware Description Language Very High Frequency (30-300MHz) Video Home System (VCR) Very High Speed Integrated Circuit VIsual editor Vertical Installation Automation BaseLinE VI Like Emacs Vine Is Not Emacs Very Important Person Volunteers In Service To America Vme International Trade Association Video Jockey Vulgar Latin Very Large Array radio telescope in Arizona or New Mexico VLF Very Low Frequency (3-30KHz) VLIW Very Long Instruction Word VLSI Very Large Scale Integration VM Virtual Memory VM/CMS Virtual Machine/Conversational Monitor System VMM Virtual Memory Manager VMOS Vertical Metal Oxide Semiconductor (V-MOS)(see MOS) VMR Vertical Market Reseller VMS Vertical Motion Simulator VMS Virtual Memory System VOA Voice Of America VOIS Voice-Operated Information System VOQ Visiting Officer's Quarters VPI&SU Virginia Polytechnic Institute and State University VRC Vertical Redundancy Character VRM Virtual Resource Manager VSAT Very Small Aperture Terminal, satellite dish VSX X/open Verification Suite VTAM Virtual Telecommunications Access Method VTOC Volume Table Of Contents VTOL Vertical TakeOff and Landing VTR VideoTape Recorder VUP Vax Unit of Performance VVSS Vertical Volute Spring Suspension

W W W WA WA WAC WAN WARC West Width Washington Western Australia Womens Air Corps Wide Area Network World Administrative Conference

WATS Wide Area Telephone Service WB Water Ballast WB WayBill WBC White Blood Cells WC Water Closet WC Without Charge WCTU Women's Christian Temperance Union WG Working Group WH WarHammer WHBL World Home Bible League WI Wisconsin WIS WWMCCS Information System WITS Washington Interagency Telecommunications System WMSCR Weather Message Switching Center Replacement WOPR War Operations Planned Response (from "Wargames" movie) WORM Write Once, Read Many time WOW Worlds of Wonder WP Word Processing WP Working Paper WSI Wafer Scale Integration WSW West-SouthWest WU Washington University WV West Virginia WW World War WWI World War I WWII World War II WWMCCS World-Wide Military Command and Control System WY Wyoming WYSIWIS What You See Is What I See WYSIWYG What You See Is What You Get

XYZ XCF eXperimental Computing Facility XD without Dividend XDR eXternal Data Representation XINU XINU Is Not UNIX XL eXtra Large XMTR transMiTteR (the X is for trans) XNS Xerox Network Service XO eXecutive Officer XOR eXclusive OR (logical function) XSECT cross SECTion XTAL crysTAL (another version of x for crys, see XMTR) XUI X-windows User Interface Y2K YA YACC YB Year 2000 Yet Another Yet Another Compiler Compiler YearBook

YMCA YMHA YOB YP YRS YST YT YT YTD YWCA YWHA Z Z ZB ZETA ZGS ZI ZIP ZK ZMRI ZPG ZPRSN ZST ZT ZWEI

Young Mens Christian Association Young Mens Hebrew Association Year Of Birth Yellow Pages Ysgarth Rules System Yukon Standard Time Yukon Territory Yukon Time Year To Date Young Womens Christian Association Young Womens Hebrew Association Zenith Zero Zero Beat Zero Energy Thermonuclear Assembly Zero Gradient Synchrotron Zonal Index Zone Improvement Plan (post office code) barrage balloon (navy symbol) Zinc Metals Research Institute Zero Population Growth Zurich Provisional Relative Sunspot Number Zone Standard Time Zone Time Zwei Was Eine Initially

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