Computer Related Abbreviations "A"

AA	Auto Answer
AAC	Advanced Audio Coding
AAL	Asynchronous Transfer Mode Adoption Layer
AAM	Automatic Acoustic Management
AAP	Applications Access Point
AASP	ASCII Asynchronous Support Package
AAT	Average Access Time
AATP	Authorized Academic Training Program
ABAP	Advanced Business Application Programming
ABEND	Abnormal End
ABI	Application Binary Interface
ABIOS	Advanced BIOS
ABLE	Adaptive Battery Life Extender
ABM	Asynchronous Balanced Mode
ABR	Available Bit Rate
ABRD	Automatic Baud Rate Detection
ABRS	Automated Book Request System
ABS	Address Book Synchronization
ABT	Abort
AC	Alternating Current
ACAP	Application Configuration Access Protocol
ACC	Accumulator
ACD	Automatic Call Distribution
ACDI	Asynchronous Communications Device Interface
ACE	Access Control Encryption
ACF	Access Control Field
ACK	Acknowledgment
ACL	Access Control List
ACM	Audio Compression Manager
ACMS	Application Control Management System
ACP	Auxiliary Control Process
ACPI	Advanced Configuration Power Interface
ACR	Allowed Cell Rate
ACS	Access Control System
ACSS	Audio Cascading Style Sheets
ACTPU	Active Physical Unit
ACTT	Advanced Communications & Timekeeping Technology
A2D	Analog to Digital
ADC	Analog to Digital Converter
ADF	Automatic Document Feeder
ADO	ActiveX Data Objects
ADP	Automatic Data Processing
ADR	Address
ADSI	Active Directory Service Interface
ADSL	Asynchronous Digital Subscribers Line
ADT	Application Data Types
ADU	Automatic Dialling Unit
AEM	Asynchronous Event Mechanism
AES	Advanced Encryption Standard
AFA	Accelerated File Access
AFD	Automatic File Distribution
AFI	Automated Format Identifier
AFTP	Advanced File Transfer Protocol
AGA	Advanced Graphics Adapter
AGP	Advanced Graphics Port
AI	Analog Input
AIFF	Audio Interchange File Format
AIO	All In One
AIS	Automated Identification System
ALAT	Advanced Load Address Table
ALC	Automatic Level Control
ALINK	Active Link
ALM	Asset Liability Management
ALP	Automatic Language Processing
ALT	Alternate
AM	Amplitude Modulation
ANI	Automatic Number Identification
ANSI	American National Standards Institute
AO	Analog Output
AP	Application Processor
APDU	Application Protocol Data Units
API	Application Program Interface
APIP	Automatic Private Intranet Protocol
APM	Advanced Power Management
APPN	Advanced Peer-to-Peer Networking
APPS	Applications
APR	Annual Percentage Rate
APS	Advanced Printing Service
ARC	Acoustic Resonance Control
ARCnet	Attached Resource Computer Network
ARP	Address Resolution Protocol
ARPANET	Advanced Research Projects Agency Network
ARS	Activity Reporting System
ARQ	Automatic Repeat Request
ARU	Audio Response Unit
AS	Autonomous System
ASAI	Adjunct Switch Application Interface
ASB	Advanced System Buffering
ASD	Application Structure Database
ASL	Adaptive Speed Levelling
ASO	Automated Systems Operations
ASPI	Advanced SCSI Programming Interface
ASPS	Advanced Signal Processing System
ASR	Automatic System Recovery
AT	Automatic Transmission
ATA	Advanced Technology Attachment
ATAPI	Advanced Technology Attachment Packet Interface
ATC	Advanced Transfer Cache
ATG	Advanced Technology Group
ATL	Active Template Library
ATR	Automatic Terminal Recognition
ATTRIB	Attribute
ATX	Advanced Technology Extended
AUTO	Automatic
AUX	Auxiliary
AV	Audio-Video
AVG	Average
AVI	Audio Video Interleave
AVR	Automatic Voice Recognition
AVS	Advanced Visual Systems