A&SGAccessories and Supplies Group
A/CAir Conditioning / Alternating Current
A/DAnalog to Digital
AA(modem) Auto Answer / Alcoholics Anonymous / Application Association / Associate Advisor / Automatic Adjust
AAAAces of ANSI Art / Travel club
AAAAAAmerican Association Against Acronym Abuse / Travel club for alcoholics
AADAnalog Alignment Diskette
AAFESArmy and Air Force Exchange Service
AAITPAmdahl Australian Intelligent Tools Program
AAKAsleep At Keyboard
AALATM Adaptation Layer (protocol 1 2 3 4 5)
AAMOFAs a matter of fact
AAMVANETAmerican Association of Motor Vehicle Administrators N
AARAutomatic Alternate Routing
AARNETAustralian Academic Research Network
AARPAppleTalk Address Resolution Protocol
AAUIApple Attachment Unit Interface
AAXAutomated Attendant Exchange
ABABort session
AB2Anarchy Burger ][
ABAAmerican Bankers Association / American Bar Association
ABATSAutomated Bit Access Test System
ABBAAnti-Big Brother Association (usually as aBBa)
ABBSApple Bulletin Board System
ABCActivity Based Costing / Atanasoff-Berry Computer
ABEAgent Building Environment
ABECAracda Backup Executive Agent
ABEXAmerica Online Business Exchange
ABHCAverage Busy Hour Calls
ABHPCAdvisory Body on High Performance Computing
ABIOSAdvanced Basic Input / Output System
ABMAsynchronous Balanced Mode
ABMEAsynchronous Balanced Mode Extended
ABPAlternate BiPolar / Available Bit Rate
ABRCAdvisory Board for the Research Councils
ABSAlternative Billing Service
ABSBHAverage Busy Season Busy Hour
ABTABort Timer / Answer Back Tone
ABUApplication Business Unit
ACAlternating Current / Access Control / Acoustic Coupler / Air Conditioning / Alignment Check / Application Context / Association Control
ACAAutomatic Circuit Assurance
ACARBAustralian Computer Abuse Research Bureau
ACBAnnoyance Call Bureau / Automatic Call-Back
ACBHAverage Consistent Busy Hour
ACCAudio Communications Controller
ACCEAward for Call Center Excellence
ACCOLCAccess Overload Class
ACCSAutomated Calling Card Service
ACDAccess Control Definition / Adaptive Call Distributor / Automatic Call Distributor
ACDAAutomatic Call Disposition Analyzer
ACDFAccess Control Decision Function
ACDIAsynchronous Communication Device Interface
ACEAdvanced Computing Environment / Adverse Channel Enhancement / American Council on Education / Ansi Creation Enterprise / Automatic Calling Equipment
ACEFAccess Control Enforcement Function
ACETAdvisory Committee on Electronics and Telecommunicatio
ACFAdvanced Communication Function
ACF/NCPAdvanced Communications Function / Network Control Pro
ACF/TCAMAdvanced Communications Function / TeleCommunications
ACF/VTAMAdvanced Communications Function / Virtual Telecommuni
ACF/VTAMEAdvanced Communications Function / Virtual Telecommuni
ACHAttempt per Circuit per Hour
ACIAccess Control Information
ACIDANSI Creators in Demand (usually ACiD) / Atomic/Consistent/Isolated/Durable (test)
AcidGurlA cute innocent desireable girl
ACKACKnowledge (ASCII) / Acknowledgement
ACLAccess Control List / Advanced CMOS Logic / Association for Computational Linguistics
ACMAddress Complete Message / Association for Computing Machinery
ACMSApplication Control Management System
ACNAdvisory Committee on Networking / Area Code Number
ACOFAttendant Control Of Facilities
ACPAccess Control Points / Action Point / Allied Communications Publication / Ancillary Control Program
ACPIAdvanced Configuration and Power Interface
ACPMAssociation Control Protocol Machine
ACRAbandon Call and Retry
ACRONYMAbbreviated Coded Rendition Of Name Yielding Meaning
ACSAccess Control Store / Application Control Services / Asynchronous Communications Server / Australian Computer Society / Automatic Class Selection / Automatic Clearing Houses
ACSEAssociation Control Service Element
ACSLAssociation Control Service eLement
ACSNETAcademic Computing Services Network / Australian Computer Science Network
ACSUAdvanced (T-1) Channel Service Unit
ACTApplication Center for Technology
ACTAAmerica's Carriers Telecommunications Association
ACTASAlliance of Computer-based Telephony Application Suppl
ACTGAAttendant Control of Trunk Group Access
ACTLUACTivate Logical Unit
ACTPUACTivate Physical Unit
ACTSAutomated Coin Toll Service / Automatic Coin Telephone System
ACUAlarm Control Unit / Association of Commonwealth Universities / Automatic Call Unit
ACUTAAssociation of College and University Telecommunication
ADActivity Discard / Administrative Domain / Authorized Dealers
ADAActivity Discard Acknowledgment / Automatic Data Acquisition (programming language)
ADAPSOAssociation of Data Processing Service Organizations
ADASAdvanced Directory Assistance System
ADBApple Desktop Bus / AppWare Distributed Bus architecture
ADCAdvanced Data Connector / Analog Digital Converter / Analysis Date Concentrator / Automated Data Collection
ADCCPAdvanced Data Communications Control Procedures
ADCIAutomatic Display Call Indicator
ADCPAvesta Device Control Protocol
ADCUAssociation of Data Communications Users
ADDAuthorized Digital Dealers
ADDMDAdministrative Directory Management Domain
ADFAccess control Decision Function / Automatic Document Feeder
ADGAuthorized Distributor Group
ADIAccess control Decision Information / Application DIrectory / Autodesk Device Interface
ADMAdaptive Delta Modulation / Add-Drop Multiplexer
ADMDAdministration Management Domain
ADNAny day now / Abbreviated Dialing Number
ADOActive Data Objects / ActiveX Data Objects
ADPActive Distribution Panel / Automated Data Processing
ADPCMAdaptive Differential Pulse Code Modulation
ADSAdvanced Digital System / Audio Distribution System / Auto Data Switch / Auxiliary Data System
ADSCAdobe Document Structuring Conventions
ADSIActive Directory Services Interface / Analog Display Services Interface
ADSLAsynchronous Digital Subscriber Line / Asymetric Digital Subscriber Line
ADSPAppleTalk Data Stream Protocol
ADTSAutomated Digital Terminal System
ADUApplication Definition Utility / Automatic Duplexing Unit
ADVFSAdvanced File System (usually as AdvFS)
AEActivity End / Application Entity / ASCii Express
AEAActivity Entity Acknowledgment / American Electronics Association / American Entrepreneurs Association
AEBAnalog Expansion Bus
AECAdaptive Echo Cancellation
AEFAccess control Enforcement Function
AEGISAIDS Education and General Information Service
AEIAutomatic Equipment Identification
AEIMPApple Event Interprocess Messaging Protocol
AEPAppleTalk Echo Protocol / Application Environment Profile
AETApplication Entity Title
AFAddress Field / Audio Frequency / Auxiliary (carry) Flag
AFACTSAutomated FACilities Test System
AFADSAutomatic Force Adjustment Data System
AFAICAs far as I'm concerned / As Far As I Can Tell
AFAIKAs Far As I Know
AFAYCAs Far As You're Concerned
AFCAnsi Factory / Automatic Frequency Control
AFCPAvesta Flow Control Protocol
AFDCAid to Families with Dependent Children
AFDWActive Framework for Data Warehousing
AFGOAnother F***ing (or Fabulous) Growth Opportunity
AFIAppleTalk Filing Interface / Authority and Format Identifier
AFIIAssociation for Font Information Interchange
AFINAir Force Information Network
AFIPSAmerican Federation of Information Processing Societie
AFIRMAutomated Fingerprint Image Reporting and Match (system)
AFKAway from keyboard
AFLAway from Life
AFNORAssociation Francaise de Normalisation
AFPAdvanced Function Printing / AppleTalk File Protocol
AFPAAmerican Forest and Paper Association
AFRPARCNET Fragmentation Protocol
AFSAndrew File System
AFSKAudio Frequency Shift Keying / Automatic Frequency Shift Keying
AFTApplication File Transfer
AG/EEEAbove Ground Electronic Equipment Enclosures
AGAAdvanced Graphical Architecture. Also known as AA. The new chipset that was introduced with the A4000 and A1200.
AGBHAverage Group Busy Hour
AGCAutomated Gain Control
AGEEEAbove Ground Electronic Equipment Enclosures
AGISApex Global Information Services
AGOCGAdvisory Committee on Computer Graphics
AGPAdvanced Graphics Port / Accelerated Graphics Port
AGSAsynchronous Gateway Server
AHAuthentication Header
AHDSArts and Humanities Data Service
AHTAverage Holding Times
AHUAAssociation of Heads of University Administrations
AIArtificial Intelligence / Authentication Information
AIAAerospace Industries Association / Application Integration Architecture
AIAGAutomotive Industry Action Group
AICAutomatic Intercept Center
AICCAutomatic Intercept Communications Controller
AICPAAmerican Institute of Certified Public Accountants
AIDSApple Infected Disk Syndrome
AIIActive Input Interface
AIICAs If I Care
AIIMAssociation for Information and Image Management
AIMAdvanced Interconnect Modeling / Analog Intensity Modulation / Asynchronous Interface Module / ATM Inverse Multiplexer
AIMSXAdvanced Information Management System
AIMUXATM Inverse Multiplexing
AINAdvanced Intelligent Network
AIODAutomatic Identification of Outward Dialing
AIRAdditive Increase Rate / Apple Internet Router
AISAlarm Indication Signal / Alarm Indication System / Automated Information System / Automatic Intercept System
AISEAlarm Indication Signal External
AITRCApplied Information Technologies Research Center
AIUIAs I Understand It
AIWSAs I Was Saying
AIXAdvanced Interactive Executive
AKAAlso known as
AKMApogee Kick Motor
ALAccount Librarian (MPE) / Application Layer / ArtificiLife
ALAPARCTalk Link Access Protocol
ALBAnalog LoopBack
ALBOAutomatic Line Build Out
ALCAutomatic Level Control
ALFEAnalog Line Front End
ALGOLALGOrhythmic Computer Language
ALIAcer Laboratories Inc. / Automatic Location Identification
ALITAutomatic Line Insulation Testing
ALIVEArtificial Life Interactive Video Environment
ALMApplication Loadable Module / AppWare Loadable Module
ALOAt Least Once
ALPAbstract Local Primitive
ALPSAuto Laser Pulse Saving
ALRUAutomatic Line Record Update
ALSApplication Layer Structure / Automated List Service
ALTAssociation for Learning Technology
ALUApplication Layer User / Arithmetic Logic Unit
AMAccounting Management / Active Monitor / Administrative Module / Amplitude Modulation
AM/PSKAmplitude Modulation with Phase Shift Keying
AMAAutomatic Message Accounting
AMACSAutomatic Message Accounting Collection System
AMARCAutomatic Message Accounting Recording Center
AMASEAutomatic Message Accounting Standard Entry
AMASTAlgebraic Methodology And Software Technology
AMATAutomatic Message Accounting Transmitter
AMATPSAutomatic Message Accounting TeleProcessing System
AMATTPSAutomatic Message Accounting Transmitter Teleprocessing System
AMCArea Management Center
AMDAdvanced Micro Devices / Air Movement Device (aka Fan)
AMEAdvanced Metal Evaporative (media) / Asynchronous Modem Eliminator
AMERITECHAmerican Information Technologies
AMFAccount Metering Function
AMHApplication Message Handling
AMIAlternate Mark Inversion / American Megatrends Inc. / American Microsystems Incorporated
AMIGAA Merely Insignificant Game Addiction
AMIIAgile Manufacturing Information Infrastructure
AMISAtari Message and Information System / Audio Messaging Interchange Standard
AMMAgent Management Module / Area Manufacturing Manager
AMONATM Monitoring
AMPAmpere / Active Monitor Present
AMPSAbstract Meta-Physical Speculation / Advanced Mobile Phone Service
AMRAutomatic Meter Reading
AMSAccess Method Services
AMSPAssociation of Microsoft Solutions Providers
AMTAddress Mapping Table
AMUAtomic Mass Unit
AMVFTAmplitude Modulation Voice Frequency Telegraph
AMWIActive Message Waiting Indicator
ANAryNations / Associated Number
ANAAutomatic Number Announcement
ANBHAverage Network Busy Hour
ANCAll Number Calling
ANCSAT&T NetWare Connect Services network
ANDAutomatic Network Dialing
ANEAnarchy 'N' Explosives
ANFAdditional Network Feature / AppleTalk Networking Forum
ANFAWFOSAnd Now a Word From Our Sponsor
ANFSCDAnd Now For Something Completely Different
ANIAutomatic Number Identification
ANIFAutomatic Number Identification Failure
ANLArgonne National Laboratory
ANMAdvanced Network Management
ANNAnnouncement Date / Auditing Network Needs
ANOIA New Order of Intelligence
ANSAdvanced Network & Services / American National Standard
ANSCAmerican National Standards Committee
ANSIAmerican National Standards Institute
ANTCAdvanced Networking Test Center
AOAAnarchists of America
AOCAdvice of Charge
AOCEApple Open Collaborative Environment
AOIActive Output Interface
AOJAdd one and do not Jump
AOLAmerica Online / Army Of Lamers
AOMApplication OSI Management / Area Operations Manager
AOPAssociation of Online Professionals
AOSAdd One and do not Skip / Alternate Operator Service / Alternate Option Selection
AOSIPAirline Open Systems Interconnection Profile
AOSSAuxiliary Operator Service System
AOTArt of Technology
AOTDArt Of Technology Digest (magazine)
AOVAverage Order Value
AOWAsia and Oceania Workshop
AOWSAsia Oceanic WorkShop
APApplication Process / Application Profile / Attached Processor
APAAll Points Addressable
APANAAustralian Public Access Network Association
APCAdaptive Predictive Coding / AMARC Protocol Converter / American Power Conversion / Asynchronous Procedure Call
APCCAmerican Public Communications Council
APCIApplication - layer Protocol Control Information
APDAvalanche PhotoDiode
APDAApple Programmers and Developers Association
APDUApplication Protocol Data Unit
APFAll PINs Fail
APIAmerican Pirate Industries / Application Program Interface / Application Programming Interface
APICAdvanced Programmable Interrupt Controller
APLA Programming Language
APLTAdvanced Private Line Termination
APMAdvanced Power Management
APPApplication / Application Portability Profile
APPCAdvanced Peer to Peer Communication / Advanced Program to Program Communication
APPC/PCAdvanced Program-to-Program Communications
APPIAdvanced Program-to-Program Internetworking
APPIXAutomated Part and Product Information Exchange
APPLEArrogance Produces Profit-Losing Entity
APPNAdvanced Peer-to-Peer Network
APRAutomatic Picture Replacement
APSApplication Processing Services / Automatic Protection Switch / Automatic Protection Switching system
APTAdvanced Pirate Technology / American Phone Terrorists
APTSAdvanced Public Transportation
AQSAutomatic Quote System
ARActivity Resume / Alarm Report
ARAApple Remote Access (protocol) / Attribute Registration Authority
ARAPAppleTalk Remote Access Protocol
ARBApplication Review Board
ARCAdvanced RISC Computing / Attached Resources Computing / Ames Research Center / Attached Resource Computer / Attached Resources Computing / Audio Response Controller / Archives
ARCVAssociation of Really Cruel Viruses
ARDApplication Remote Database / Automatic RingDown
ARDISAdvanced National Radio Data Service
AREAll Routes Explorer
ARFAlarm Reporting Function
ARGOA Really Good Open systems interconnection
ARIAddress Recognized Indicator bit
ARIESATM Research & Industrial Enterprise Study
ARINAmerican Registry for Internet Numbers
ARISAudichron Recorded Information System
ARLAccess Rights List / Adjusted Ring Length / Attendant Release Loop
ARLLAdvanced Run Length Limited
ARMAdvanced RISC Machines / Application Response Measurement (API) / Area Revenue Manager / Asynchronous Response Mode
AROAfter Receipt of Order
ARPAddress Resolution Protocol
ARPAAdvanced Research Projects Agency
ARPANETAdvanced Research Projects Agency NETwork
ARQAutomatic Repeat reQuest
ARRAttributes for Representing Relationships / Automatic Repeat Request
ARRLAmerican Radio Relay League
ARSAlternate Route Selection / Automatic Route Selection
ARSBAutomated Repair Service Bureau
ARTAsynchronous Remote Takeover / Automatic Revision Tracking
ARTTAsynchronous Remote Takeover Terminal
ARUAudio Response Unit
ARXAutoCAD Runtime eXtension
ASActivity Start / Anarchy Society / Application System / Autonomous Systems
ASAAdvanced SCSI Architecture
ASACP(Internet) Adult Sites Against Child Pornography
ASAFPAs Soon As Freakin' Possible
ASAIAdjunct Switch Application Interface
ASAPAs soon as possible / Any Service / Any Port
ASBAsynchronous Balanced mode
ASCAccredited Standards Committee / Authorized Support Centers / Average System Cost / Average System Content
ASCIAccelerated Strategic Computign Initiative
ASCIIAmerican Standard Code for Information Interchange / Basic letters and numbers
ASDAdvanced Semiconductor Development
ASDCAbstract Service Definition Convention
ASDUApplication - layer Service Data Unit
ASEAmplified Spontaneous Emission / Application Service Element
ASGAdvanced Systems Group
ASIAdapter Support Interface / Alternate Space Inversion
ASICApplication Specific Integrated Circuit
ASIDAddress Space IDentifier
ASISAmerican Society for Industrial Security / American Society for Information Science
ASKAmplitude Shift Keying
ASLAlpha Systems Laboratories
ASLIBAssociation of Librarians
ASMEAmerican Society of Mechanical Engineers
ASMPAsymmetrical Multi-Processing
ASNAbstract Syntax Notation
ASN.1Abstract Syntax Notation One
ASOApplication Service Object
ASOCAdministrative Service Oversight Center
ASPAbstract Service Primitive / AppleTalk Session Protocol / Association Of Shareware Professionals / Active Server Page
ASPENAutomatic System for Performance Evaluation of the Network
ASPIAdvanced SCSI Programming Interface
ASRAccess Service Request / Automatic Send / Receive / Automatic Speech Recognition
ASSHOLEAway with you lamer
ASTAsynchronous System Trap
ASTMAmerican Society for Testing Materials
ASTRALAssociation for Strategic Token Ring Advancement and L
ASVAverage System Value
ASYNCAsynchronous transmission
ATAccess Tandem / Advanced Technology / ATtention (modem commands)
AT&TAmerican Telephone and Telegraph Company
ATAAdvanced Technology Attachment / American Telemarketing Association / ARCnet Trade Association / AT Attachment
ATAPIAdvanced Technology Attachment Packet Interface / AT Attachment Packet Interface
ATASAnalog Test Access System
ATASPIAT Advanced SCSI Programming Interface
ATBAll Trunks Busy
ATCAllbase Turbo Connect / Automatic Transmission Control
ATDAssociation of Telecommunications Dealers / Asynchronous Time Division / Authorized Terminal Distributor
ATDMAsynchronous Time Division Multiplexing
ATDPAttention Dial Pulse
ATDTAttention Dial Tone
ATEAsynchronous Terminal Emulation / ATM Terminating Equipment
ATFAutomatic Track Following
ATHAbbreviated Trouble History
ATIActivist's Times Incorporated / Automatic Test Inhibit
ATISAdvanced Traveler Information Systems / Automatic Transmitter Identification System
ATLActive Template Library
ATLAAnother Three Letter Acronym
ATMAt The Moment / Automated Teller Machine / Abstract Test Method / Adobe Type Manager / Asynchronous Transfer Mode
ATMARPAsynchronous Transfer Mode Address Resolution Protocol
ATMEAutomatic Transmission Measuring Equipment
ATMPAscend Tunnel Management Protocol
ATMSAutomated Trunk Measurement System
ATPAvailable to Promise / All Tests Pass / AppleTalk Transaction Protocol / Application Transaction Processing
ATPSAppleTalk Print Services
ATQAppleTalk Transition Queue
ATRAlternate Trunk Routing
ATRSAutomated Trouble Reporting System
ATSAbstract Test Suite / Asian Test Symposium
ATSEApplication Timesharing Software Engineering
ATTApplied Transmission Technologies
ATTCAutomatic Transmission Test and Control Circuit
ATTISAmerican Telephone and Telegraph Information Systems
ATVAdvanced Television
AUAccess Unit / Adaptive Unit / Administrative Unit
AUAAssociation of University Administrators
AUCAUthentication Certificate
AUDIXAudio Information Exchange
AUIAttachment Unit Interface / Auxiliary Unit Interface
AUPAcceptable Use Policy
AURPAppleTalk Update-Based Routing Protocol
AUTAssociation of University Teachers
AUTODINAutomatic Digital Network
AUTOSEVCOMAutomatic Secure Voice Communications
AUTOVONAutomatic Voice network
AUUATM User-to-User
AUXFAuxiliary Frame
AVAAttribute Value Assertion
AVCSAdvanced Vehicle Control Systems
AVDAlternate Voice Data
AVIAdvanced Visual Interface / Audio-Video Interleaved / Automatic Vehicle Identification
AVLAdelson - Velskii - Landis (programming method)
AVNAmeritech Virtual Network / Automated Voice Network
AVRAutomatic Voltage Regulation / Avid Video Resolution
AVSApplication Visualization System
AVSSCSAudio Visual Service Specific Convergence Sublayer (AT
AVTApplication Virtual Terminal / Architecture Verification Test
AWBAglets Workbench
AWGAmerican Wire Gauge
AWGTHTGTATAAre we going to have to go through all this again?
AWGTHTGTTAAre we going to have to go through this again?
AWGTHTGTTA?Are We Going To Have To Go Through This Again?
AWMAdvanced Wave Memory
AWSAdministration WorkStation
AWTAbstract Windowing Toolkit / Abstract Windows Toolkit
AXPAlmost Exactly Prism
AYAAre you alone?
AYFAll Your Fault
AYORat your own risc
AACI               :- Airport Association Council International

AAFI               :- Amateur Athletics Federation of India

AAGSP           :- All Assam Gana Sangram Parishad

AAPSO           :- Afro-Asian Peoples Solidarity Organisation

AASU              :- All Assam Students Union

ABM               :- Anti Ballistic Missile

ABCDE          :- Annual Bank Conference on Development Economics

ABSU             :- All Bodo Students Union

ABT                :- Availability Based Tariff

AC                   :- Alternate Current or Ashok Chakra or Air Conditioner or Antarctic Club

AD                  :- Ano Domini (After the birth of Jesus)

ADA                :- Air Defence Artillery

ADB                :- Asian Development Bank

AERE             :- Atomic Energy Research Establishment

AEO                :-American Eagle Outfitters

AFLP              :- Accelerated Female Literacy

AFPPD            :- Asian Forum of Parliamentarians on Population & Development

AGF                :- Asian Games Federation

AGOC             :- Asian Games Organization Committee

AICC               :- All India Congress Committee

AICTE            :- All India Council of Technical Education

AICCTU         :- All India Central Council of Trade Unions

AICI               :- Agricultural Insurance Corporation of India

AIDS              :- Acquired Immune Deficiency Syndrome

AIFF               :- All India Football Federation

AIIMS            :- All India Institute of Medical Sciences

AIL                 :- Aeronautics India Limited

AIMPLB        :- All India Muslim Personal Law Board

AINEC            :- All India Newspapers Editors Conference

AIR                 :- All India Radio

AITUC            :- All India Trade Union Congress

ALH                :- Advanced Light Helicopter

AM                 :- Anti Meridian (Before Noon)

AMIE             :- Associate Member of the Institute of Engineers

ANC               :- African National Congress

APNN             :- Asian Pacific News Network

APEC              :- Asian Pacific Economic Cooperation

APPLE            :- Asian Passenger Payload Experiment

APPU              :- Asian Pacific Postal Union

ARF                :- Asian Regional Forum

ARDS             :- Acute Respiratory Distress Syndrome

ASEAN           :- Association of South East Asian Nations

ASLV              :- Augmented Satellite Launch Vehicle

ASI                  :- Archaeological Survey of India

ASSOCHAM :- Associated Chamber of Commerce and Industry (India)

AWACS          :- Airborne Warning and Control System

ATCI               :- Air Time Committee of India

ATF                 :- Aviation Turbine Fuel

ATPLO            :- All Tripura Peoples Liberation Organisation

ATS                 :- Anti Tetanus Serum

ATTF               :- All Tripura Tribal Force

AVARD           :- Association of Voluntary Agencies for Rural Development