AA Auto1 Answer
AAB All-to-All Broadcast
AAL Asynchronous Transfer Mode Adaption Layer
AAP Applications Access Point [DEC]
AARP AppleTalk Address Resolution Protocol2
AAS All-to-All Scatter
AASP ASCII Asynchronous Support Package
AAT Average Access Time
AATP Authorized3 Academic Training Program [Microsoft]
ABC * Atanasoff-Berry Computer
ABEND Abnormal End
ABI Application Binary5 Interface6
ABIOS Advanced BIOS
ABIST Automatic Built-In Self-Test [IBM]
ABLE Adaptive Battery Life Extender
ABR Available Bit Rate
ABRS Automated7 Book Request System [British Library]
ABS Address Book Synchronization8 [IBM] + Absolute
ABT Abort
ABTS ASCII Block Terminal Services
AC Autocheck + Automatic Computer + Alternating Current
ACAP Application Configuration9 Access Protocol
ACC Accumulator
ACCM人工智能L Accessing the Internet Via Email
ACD Automatic Call Distribution
ACDI Asynchronous Communications Device Interface
ACE Access Control Encryption/Entry +
Adobe10 Certified11 Expert +
Advanced Computing12 Environment [SCO] +
Adverse Channel Enhancements [Microcom] +
* Automatic Computing Engine
ACF Access Control Field +
Advanced Communications Function
ACH Automated Clearing House
ACIAS Automated Calibration Interval13 Analysis System
ACIS American Committee for Interoperable Systems
ACK Acknowledgment
ACL Access Control List
ACM Association for Computing Machinery
Audio Compression Manager [Microsoft]
ACMS Application Control Management System
ACP Ancillary14 Control Program + Auxiliary15 Control Process
A安裝成本 Advanced Configuration and Power Interface
ACR Allowed Cell Rate
ACROSS Automated Cargo16 Release and Operations
Service System
ACS Access + Access Control Set + Access Control System +
* Advanced Computer System [IBM] +
Anti Curl System + Asynchronous Communication Server
ACSS Audio Cascading17 Style Sheets
ACTS Automated Computer Time Service
ACTT Advanced Communication and Timekeeping Technology [Seiko]
ACU Automatic Calling Unit
ACVC Ada Compiler Validation18 Capacity
A/D Analog19 to Digital
ADA Automatic Data Acquisitions +
ADB Apple Desk Bus
ADC Adaptive Data Compression [Hayes] +
Add with Carry + Analog to Digital Converter
ADCCP Advanced Data Communication Control Procedures
ADD Automatic document Detection [WordPerfect]
ADF Automatic document Feeder +
Automatically Defined Function
.ADF Adapter Description File
ADI AutoCad/AutoDesk Device Interface
ADL Address Data Latch20
ADLAT Adaptive Lattice Filter
ADLC Adaptive Lossless Data Compression [IBM] +
Asynchronous Data link Control
ADMACS Apple document Management And Conrol System
ADMD Administrative21 Management Domain22 [X.400]
.ADN Add In Utility
[Lotus 1-2-3] [LDC]
ADO Active Data Objects
ADP Automatic Data Processing
ADPCM Adaptive Differential Pulse Code Modulation
ADR Address
ADS Application Development Solutions [ATT] +
Application Development System +
Automatic Distribution System
ADSC Address Status Changed +
Adobe document Structuring Conventions
ADSI Active Directory Service Interface [Microsoft] +
Analog Display Services Interface
ADSL Asymmetric23 Digital Subscriber24 Line
ADSP AppleTalk Datastream Protocol
ADSR Attack, Decay, Sustain, Release
ADT Abstract Data Type + Application Data Types
ADU Automatic Dialing Unit
AE Above or Equal
AEB Analog Expansion Bus [Dialogic]
AEC Architecture, Engineering, Construction
AES Advanced Encryption Standard
AESA ATM End System Address
AF Auxiliary carry Flag
AFA Accelerated File Access
AFC Automatic Font Change + Automatic Frequency Control
AFD Automatic File Distribution
AFDW Active framework for Data Warehousing [Microsoft]
AFI Authority and Format26 Identifier
AFII Association for Font Information Interchange
AFIRM Automated Fingerprint27 Image Reporting and Match
AFIS Automated Fingerprint Identification System
.AFM Adobe Font Metrics [Adobe Systems]
AFP Advanced Function Presentation [IBM] +
Advanced Function Printing +
Appletalk Filing Protocol [Macintosh]
AFS Andrew File System
AFTP Anonymous28 File Transfer Protocol
AGA Advanced Graphics29 Adapter
AGC Automatic Gain Control
AGP Accelerated/Advanced Graphics Port
AGRAS Antiglare-Antireflective-Antistatic
AGU Address-Generation Unit
AHS Automated Highway Systems
人工智能 Analog Input30 + Artificial Intelligence
人工智能A Applications Integration31 Architecture [DEC]
人工智能C 人工智能Xwindows Interface Composer [IBM]
人工智能F Audio Interchange Format
人工智能IM Association for Information and Image Management
人工智能M AOL Instant Messenger
人工智能N Advanced Intelligent Network [Bell Atlantic]
人工智能R Architecture Implementation32 Review
人工智能S Automated Identification System [NCIC] +
Automated Information Systems
人工智能SB Association of Imaging Service Bureaus
人工智能SP Association of Information Systems Professionals
人工智能T Advanced Intelligent Tape [Sony]
人工智能X Advanced Interactive33 Executive [IBM]
ALC Arithmetic and Logic25 Circuits +
Automatic Level Control
ALE Address Latch Enable +
Application linking and Embedding
ALGOL Algorithmic Oriented Language
ALIBI Adaptive Location of Internetworked bases
of Information
Alink Active link [HTML]
ALIWEB Archie Like Indexing in the Web [Internet]
ALN Asynchronous Learning Network
ALR Advanced Logic Research, Inc.
ALT Alternate
ALT. Alternate lifestyle [USENET Newsgroup Category]
ALU Arithmetic Logic Unit
AMA Automatic Message Accounting
AMANDDA Automated Messaging and Directory Assistance
AMASS Archival Management and Storage System
AMD Active Matrix Display + Advanced Micro Devices, Inc.
AMI Alternate Mark Inversion34 +
American Megatrends, Inc.
AMMA Advanced Memory Management Architecture
[Everex Systems]
AMPS Advanced Mobile Phone Service
ANCOVA Analysis of Covariance
ANDF Architecture-Neutral Distribution Format
ANI Automatic Number Identification
.ANI Animated35 Cursor [Microsoft]
ANN Artificial Neural36 Network
.ANN Annotations37 [IBM]
ANOVA Analysis Of Variance
ANSI American National Standards Institute
ANX Automotive Network Exchange [Chrysler/Ford/
General Motors]
AO Analog Output
AOCE Apple Open Collaboration39 Environment
AO/DI Always On/Dynamic ISDN
AOE Application Operating Environment [ATT]
AOL America Online
AOS Add Or Subtract
AP Adjunct Processor + Application Processor
A/P Accounts Payable
APA Adaptive Packet As百度競價推廣bly +
All Points Addressable +
Arithmetic Processing Accelerator
APAR Authorized Program Analysis Report [IBM]
APAREN Address Parity40 Enable [IBM]
APCUG Association of PC User Groups
APDU Application Protocol Data Units
API Application Program Interface
APIC Advanced Programmable Interrupt Controller [Intel]
APIS Advanced Passenger Information System
APL * A Programming Language
APM Advanced Power Management [IBM]
APNIC Asia-Pacific Network Information Center [Internet]
APOP Authenticated41 Post Office Protocol
.APP Application [R:base]
APPC Advanced Program-to-Program Communications [IBM]
APPI Advanced Peer-to-Peer Internetworking
APPLETS Applications
APPN Advanced Peer-to-Peer Networking [IBM]
APPS Applications
APRP Adaptive Pattern Recognition Processing
APS Advanced Photo System + Advanced Printing Service [IBM]
Asynchronous Protocol Specification
APSE ADA Programming Support Environment
APT Address Pass Through +
Advanced Parallel Technology +
Automatically Programmed Tools
A/R Accounts Receivable
ARA AppleTalk Remote Access
ARAG Antireflective-Antiglare
ARAS Antireflective-Antistatic
.ARC Archive
ARCA Advanced RISC Computing Architecture
ARCnet Attached Resource Computer Network
.ARJ Compressed File [Jung]
ARL Adjusted Ring Length
ARLL Advanced Run Length Limited
ARM Advanced RISC Machine +
Annotated Reference Manual +
Asynchronous Response Mode
ARMA Association of Records Managers and Administrators
ARP Address Resolution Protocol [Novell]
ARPANET Advanced Research Projects Agency Network
ARPL Adjust Requested Privilege Level
ARTA Apple Real Time Architecture
ARTIC A Real-Time Interface Coprocessor [IBM]
ARTS Asynchronous Remote Takeover Server
.ARTS Cultural Groups [Internet]
ARTT Asynchronous Remote Takeover Terminal
ARQ Automatic Repeat Request
ARU Audio Response Unit
AS Autonomous42 System [Internet]
AS人工智能 Adjunct Switch Application Interface [ATT]
ASAP As Soon As Possible +
Automatic Switching And Processing
AS3AP ANSI SQL Standard Scalable and Portable
ASB Advanced System Buffering43 [Intel]
.ASC ASCII text
ASCC * Automatic Sequence Controlled Calculator [IBM]
ASCII American Standard Code for Information Interchange
ASF Active/Advanced Streaming Format [Microsoft]
ASIC Application-Specific Integrated Circuit
ASIT Advanced Security and Identification Technology
ASL Adaptive Speed Levelling
ASLM Apple Shared Library Manager [Macintosh]
.ASM As百度競價推廣bler Source Language
ASMP Asymmetric Multprocessing
ASN Abstract Syntax Notation38 + Autonomous System Number
應用商店優化 Automated Systems Operations
ASP Active Server Page [Microsoft] +
Application/Authorized Service Provider +
Association of Shareware Professionals
.ASP Active Server Page
ASPI Advanced SCSI Programming Interface [Adaptec]
ASPS Advanced Signal Processing System
ASR Address Space Register + Automatic Send-Receive +
Automatic Speech Recognition
AST AST Research, Inc.
AS/U Advanced Server for Unix
ASYNC Asynchronous
AS/400 Application System/400 [IBM]
AT Advanced Technology + Attention
ATAPI Advanced Technology Attachment45 Packet Interface
ATDP Attention Dial Pulse
ATDT Attention Dial Tone
ATE Automated Test Equipment
ATG Advanced Technology Group
ATH Attention Hang-Up
ATL Active Template Library
ATM Adobe Typeface Manager + Air Traffic Management +
Asynchronous Transfer Mode + Automated Teller46 Machine
ATPS AppleTalk Printing Services [Macintosh]
ATR Automatic Terminal Recognition
ATS Administrative Terminal System +
Apple Terminal Services
ATT American Telephone and Telegraph
ATTN Attention
ATTRIB Attribute
ATX Advanced Technology Extended [Intel]
ATZ Attention Restore configuration profile from
nonvolatile RAM4
.AU Audio
AUDIT Automated Data Input Terminal
AUI Attachment/Autonomous Unit Interface
AUP Acceptable Use Policy [Internet]
AUTO Automatic
AUTOEXEC Automatic Execution
AUX Auxiliary +
AV Audio/Video + Audiovisual + Authenticity48 Verification
AVA Audio Visual Authoring [IBM]
AVC Audio Visual Connection [IBM]
AVD Alternating Voice and Data
AVG Average
AVI Audio Visual Interleave [Microsoft]
AVR Automatic Voice Recognition
AVT Applied49 Voice Technology
AWE Advanced Wave Effects [Creative Lab]
AWG American Wire Gage
AWK
AWS Advanced Workstations and Systems [IBM]
AWT Abstract Window Toolkit [Java]
AX Architecture Extended + Automatic Transmission
AAB All-to-All Broadcast
AAL Asynchronous Transfer Mode Adaption Layer
AAP Applications Access Point [DEC]
AARP AppleTalk Address Resolution Protocol2
AAS All-to-All Scatter
AASP ASCII Asynchronous Support Package
AAT Average Access Time
AATP Authorized3 Academic Training Program [Microsoft]
ABC * Atanasoff-Berry Computer
ABEND Abnormal End
ABI Application Binary5 Interface6
ABIOS Advanced BIOS
ABIST Automatic Built-In Self-Test [IBM]
ABLE Adaptive Battery Life Extender
ABR Available Bit Rate
ABRS Automated7 Book Request System [British Library]
ABS Address Book Synchronization8 [IBM] + Absolute
ABT Abort
ABTS ASCII Block Terminal Services
AC Autocheck + Automatic Computer + Alternating Current
ACAP Application Configuration9 Access Protocol
ACC Accumulator
ACCM人工智能L Accessing the Internet Via Email
ACD Automatic Call Distribution
ACDI Asynchronous Communications Device Interface
ACE Access Control Encryption/Entry +
Adobe10 Certified11 Expert +
Advanced Computing12 Environment [SCO] +
Adverse Channel Enhancements [Microcom] +
* Automatic Computing Engine
ACF Access Control Field +
Advanced Communications Function
ACH Automated Clearing House
ACIAS Automated Calibration Interval13 Analysis System
ACIS American Committee for Interoperable Systems
ACK Acknowledgment
ACL Access Control List
ACM Association for Computing Machinery
Audio Compression Manager [Microsoft]
ACMS Application Control Management System
ACP Ancillary14 Control Program + Auxiliary15 Control Process
A安裝成本 Advanced Configuration and Power Interface
ACR Allowed Cell Rate
ACROSS Automated Cargo16 Release and Operations
Service System
ACS Access + Access Control Set + Access Control System +
* Advanced Computer System [IBM] +
Anti Curl System + Asynchronous Communication Server
ACSS Audio Cascading17 Style Sheets
ACTS Automated Computer Time Service
ACTT Advanced Communication and Timekeeping Technology [Seiko]
ACU Automatic Calling Unit
ACVC Ada Compiler Validation18 Capacity
A/D Analog19 to Digital
ADA Automatic Data Acquisitions +
ADB Apple Desk Bus
ADC Adaptive Data Compression [Hayes] +
Add with Carry + Analog to Digital Converter
ADCCP Advanced Data Communication Control Procedures
ADD Automatic document Detection [WordPerfect]
ADF Automatic document Feeder +
Automatically Defined Function
.ADF Adapter Description File
ADI AutoCad/AutoDesk Device Interface
ADL Address Data Latch20
ADLAT Adaptive Lattice Filter
ADLC Adaptive Lossless Data Compression [IBM] +
Asynchronous Data link Control
ADMACS Apple document Management And Conrol System
ADMD Administrative21 Management Domain22 [X.400]
.ADN Add In Utility
[Lotus 1-2-3] [LDC]
ADO Active Data Objects
ADP Automatic Data Processing
ADPCM Adaptive Differential Pulse Code Modulation
ADR Address
ADS Application Development Solutions [ATT] +
Application Development System +
Automatic Distribution System
ADSC Address Status Changed +
Adobe document Structuring Conventions
ADSI Active Directory Service Interface [Microsoft] +
Analog Display Services Interface
ADSL Asymmetric23 Digital Subscriber24 Line
ADSP AppleTalk Datastream Protocol
ADSR Attack, Decay, Sustain, Release
ADT Abstract Data Type + Application Data Types
ADU Automatic Dialing Unit
AE Above or Equal
AEB Analog Expansion Bus [Dialogic]
AEC Architecture, Engineering, Construction
AES Advanced Encryption Standard
AESA ATM End System Address
AF Auxiliary carry Flag
AFA Accelerated File Access
AFC Automatic Font Change + Automatic Frequency Control
AFD Automatic File Distribution
AFDW Active framework for Data Warehousing [Microsoft]
AFI Authority and Format26 Identifier
AFII Association for Font Information Interchange
AFIRM Automated Fingerprint27 Image Reporting and Match
AFIS Automated Fingerprint Identification System
.AFM Adobe Font Metrics [Adobe Systems]
AFP Advanced Function Presentation [IBM] +
Advanced Function Printing +
Appletalk Filing Protocol [Macintosh]
AFS Andrew File System
AFTP Anonymous28 File Transfer Protocol
AGA Advanced Graphics29 Adapter
AGC Automatic Gain Control
AGP Accelerated/Advanced Graphics Port
AGRAS Antiglare-Antireflective-Antistatic
AGU Address-Generation Unit
AHS Automated Highway Systems
人工智能 Analog Input30 + Artificial Intelligence
人工智能A Applications Integration31 Architecture [DEC]
人工智能C 人工智能Xwindows Interface Composer [IBM]
人工智能F Audio Interchange Format
人工智能IM Association for Information and Image Management
人工智能M AOL Instant Messenger
人工智能N Advanced Intelligent Network [Bell Atlantic]
人工智能R Architecture Implementation32 Review
人工智能S Automated Identification System [NCIC] +
Automated Information Systems
人工智能SB Association of Imaging Service Bureaus
人工智能SP Association of Information Systems Professionals
人工智能T Advanced Intelligent Tape [Sony]
人工智能X Advanced Interactive33 Executive [IBM]
ALC Arithmetic and Logic25 Circuits +
Automatic Level Control
ALE Address Latch Enable +
Application linking and Embedding
ALGOL Algorithmic Oriented Language
ALIBI Adaptive Location of Internetworked bases
of Information
Alink Active link [HTML]
ALIWEB Archie Like Indexing in the Web [Internet]
ALN Asynchronous Learning Network
ALR Advanced Logic Research, Inc.
ALT Alternate
ALT. Alternate lifestyle [USENET Newsgroup Category]
ALU Arithmetic Logic Unit
AMA Automatic Message Accounting
AMANDDA Automated Messaging and Directory Assistance
AMASS Archival Management and Storage System
AMD Active Matrix Display + Advanced Micro Devices, Inc.
AMI Alternate Mark Inversion34 +
American Megatrends, Inc.
AMMA Advanced Memory Management Architecture
[Everex Systems]
AMPS Advanced Mobile Phone Service
ANCOVA Analysis of Covariance
ANDF Architecture-Neutral Distribution Format
ANI Automatic Number Identification
.ANI Animated35 Cursor [Microsoft]
ANN Artificial Neural36 Network
.ANN Annotations37 [IBM]
ANOVA Analysis Of Variance
ANSI American National Standards Institute
ANX Automotive Network Exchange [Chrysler/Ford/
General Motors]
AO Analog Output
AOCE Apple Open Collaboration39 Environment
AO/DI Always On/Dynamic ISDN
AOE Application Operating Environment [ATT]
AOL America Online
AOS Add Or Subtract
AP Adjunct Processor + Application Processor
A/P Accounts Payable
APA Adaptive Packet As百度競價推廣bly +
All Points Addressable +
Arithmetic Processing Accelerator
APAR Authorized Program Analysis Report [IBM]
APAREN Address Parity40 Enable [IBM]
APCUG Association of PC User Groups
APDU Application Protocol Data Units
API Application Program Interface
APIC Advanced Programmable Interrupt Controller [Intel]
APIS Advanced Passenger Information System
APL * A Programming Language
APM Advanced Power Management [IBM]
APNIC Asia-Pacific Network Information Center [Internet]
APOP Authenticated41 Post Office Protocol
.APP Application [R:base]
APPC Advanced Program-to-Program Communications [IBM]
APPI Advanced Peer-to-Peer Internetworking
APPLETS Applications
APPN Advanced Peer-to-Peer Networking [IBM]
APPS Applications
APRP Adaptive Pattern Recognition Processing
APS Advanced Photo System + Advanced Printing Service [IBM]
Asynchronous Protocol Specification
APSE ADA Programming Support Environment
APT Address Pass Through +
Advanced Parallel Technology +
Automatically Programmed Tools
A/R Accounts Receivable
ARA AppleTalk Remote Access
ARAG Antireflective-Antiglare
ARAS Antireflective-Antistatic
.ARC Archive
ARCA Advanced RISC Computing Architecture
ARCnet Attached Resource Computer Network
.ARJ Compressed File [Jung]
ARL Adjusted Ring Length
ARLL Advanced Run Length Limited
ARM Advanced RISC Machine +
Annotated Reference Manual +
Asynchronous Response Mode
ARMA Association of Records Managers and Administrators
ARP Address Resolution Protocol [Novell]
ARPANET Advanced Research Projects Agency Network
ARPL Adjust Requested Privilege Level
ARTA Apple Real Time Architecture
ARTIC A Real-Time Interface Coprocessor [IBM]
ARTS Asynchronous Remote Takeover Server
.ARTS Cultural Groups [Internet]
ARTT Asynchronous Remote Takeover Terminal
ARQ Automatic Repeat Request
ARU Audio Response Unit
AS Autonomous42 System [Internet]
AS人工智能 Adjunct Switch Application Interface [ATT]
ASAP As Soon As Possible +
Automatic Switching And Processing
AS3AP ANSI SQL Standard Scalable and Portable
ASB Advanced System Buffering43 [Intel]
.ASC ASCII text
ASCC * Automatic Sequence Controlled Calculator [IBM]
ASCII American Standard Code for Information Interchange
ASF Active/Advanced Streaming Format [Microsoft]
ASIC Application-Specific Integrated Circuit
ASIT Advanced Security and Identification Technology
ASL Adaptive Speed Levelling
ASLM Apple Shared Library Manager [Macintosh]
.ASM As百度競價推廣bler Source Language
ASMP Asymmetric Multprocessing
ASN Abstract Syntax Notation38 + Autonomous System Number
應用商店優化 Automated Systems Operations
ASP Active Server Page [Microsoft] +
Application/Authorized Service Provider +
Association of Shareware Professionals
.ASP Active Server Page
ASPI Advanced SCSI Programming Interface [Adaptec]
ASPS Advanced Signal Processing System
ASR Address Space Register + Automatic Send-Receive +
Automatic Speech Recognition
AST AST Research, Inc.
AS/U Advanced Server for Unix
ASYNC Asynchronous
AS/400 Application System/400 [IBM]
AT Advanced Technology + Attention
ATAPI Advanced Technology Attachment45 Packet Interface
ATDP Attention Dial Pulse
ATDT Attention Dial Tone
ATE Automated Test Equipment
ATG Advanced Technology Group
ATH Attention Hang-Up
ATL Active Template Library
ATM Adobe Typeface Manager + Air Traffic Management +
Asynchronous Transfer Mode + Automated Teller46 Machine
ATPS AppleTalk Printing Services [Macintosh]
ATR Automatic Terminal Recognition
ATS Administrative Terminal System +
Apple Terminal Services
ATT American Telephone and Telegraph
ATTN Attention
ATTRIB Attribute
ATX Advanced Technology Extended [Intel]
ATZ Attention Restore configuration profile from
nonvolatile RAM4
.AU Audio
AUDIT Automated Data Input Terminal
AUI Attachment/Autonomous Unit Interface
AUP Acceptable Use Policy [Internet]
AUTO Automatic
AUTOEXEC Automatic Execution
AUX Auxiliary +
AV Audio/Video + Audiovisual + Authenticity48 Verification
AVA Audio Visual Authoring [IBM]
AVC Audio Visual Connection [IBM]
AVD Alternating Voice and Data
AVG Average
AVI Audio Visual Interleave [Microsoft]
AVR Automatic Voice Recognition
AVT Applied49 Voice Technology
AWE Advanced Wave Effects [Creative Lab]
AWG American Wire Gage
AWK
AWS Advanced Workstations and Systems [IBM]
AWT Abstract Window Toolkit [Java]
AX Architecture Extended + Automatic Transmission