♠Important Abbreviations in Information Technology— A ♠

AAT—Average Access Time
AA—Anti-Aliasing
AAA—Authentication Authorization,
Accounting
AABB—Axis Aligned Bounding Box
AAC—Advanced Audio Coding
AAL—ATM Adaptation Layer
AALC—ATM Adaptation Layer
Connection
AARP—AppleTalk Address Resolution
Protocol
ABCL—Actor-Based Concurrent
Language
ABI—Application Binary Interface
ABM—Asynchronous Balanced Mode
ABR—Area Border Router
ABR—Auto Baud-Rate detection
ABR—Available Bitrate(data by
facebook/cnaonweb
ABR—Average Bitrate
AC—Acoustic Coupler
AC—Alternating Current
ACD—Automatic Call Distributor
ACE—Advanced Computing
Environment
ACID—Atomicity Consistency Isolation
Durability
ACK—ACKnowledgement(data by
facebook/cnaonweb
ACK—Amsterdam Compiler Kit
ACL—Access Control List
ACL—Active Current Loop
ACM—Association for Computing
Machinery
ALUA—Asymmetric Logic Unit Access
ACME—Automated Classification of
Medical Entities
ACP—Airline Control Program
ACPI—Advanced Configuration and
Power Interface
ACR—Allowed Cell Rate (data by
facebook/cnaonweb
ACR—Attenuation to Crosstalk Ratio
AD—Active Directory
AD—Administrative Domain
ADC—Analog-to-Digital Converter
ADC—Apple Display Connector
ADB—Apple Desktop Bus
ADCCP—Advanced Data
Communications Control Procedures
ADO—ActiveX Data Objects(data by
facebook/cnaonweb
ADSL—Asymmetric Digital Subscriber
Line
ADT—Abstract Data Type
AE—Adaptive Equalizer
AES—Advanced Encryption Standard
AF—Anisotropic Filtering(data by
facebook/cnaonweb
AFP—Apple Filing Protocol
AGP—Accelerated Graphics Port
AH—Active Hub(data by facebook/
cnaonweb
AI—Artificial Intelligence
AIX—Advanced Interactive eXecutive
Ajax—Asynchronous JavaScript and
XML
AL—Active Link(data by facebook/
cnaonweb
AL—Access List
ALAC—Apple Lossless Audio Codec
ALGOL—Algorithmic Language
ALSA—Advanced Linux Sound
Architecture
ALU—Arithmetic and Logical Unit
AM—Access Method
AM—Active Matrix
AMOLED—Active-Matrix Organic Light-
Emitting Diode
AM—Active Monitor(data by facebook/
cnaonweb
AM—Allied Mastercomputer
AM—Amplitude Modulation
AMD—Advanced Micro Devices
AMQP—Advanced Message Queuing
Protocol
AMR—Audio Modem Riser
ANN—Artificial Neural Network
ANSI—American National Standards
Institute
ANT—Another Neat Tool
AoE—ATA over Ethernet(data by
facebook/cnaonweb
AOP—Aspect-Oriented Programming
APCI—Application-Layer Protocol
Control Information
API—Application Programming
Interface
APIC—Advanced Programmable
Interrupt Controller
APIPA—Automatic Private IP
Addressing
APL—A Programming Language
APR—Apache Portable Runtime
ARC—Adaptive Replacement Cache
ARC—Advanced RISC Computing
ARIN—American Registry for Internet
Numbers
ARM—Advanced RISC Machines
AROS—AROS Research Operating
System
ARP—Address Resolution Protocol
ARPA—Address and Routing Parameter
Area
ARPA—Advanced Research Projects
Agency
ARPANET—Advanced Research
Projects Agency Network
AS—Access Server (data by facebook/
cnaonweb
ASCII—American Standard Code for
Information Interchange
ASG—Abstract Semantic Graph
ASIC—Application-Specific Integrated
Circuit
ASIMO—Advanced Step in Innovative
Mobility
ASLR—Address Space Layout
Randomization
ASM—Algorithmic State Machine
ASMP—Asymmetric Multiprocessing
ASN.1—Abstract Syntax Notation 1
ASP—Active Server Pages
ASP—Application Service Provider
ASR—Asynchronous Signal Routine
AST—Abstract Syntax Tree
ASSP—Application-Specific Standard
Product
AT—Advanced Technology
AT—Access Time(data by facebook/
cnaonweb
AT—Active Terminator
ATA—Advanced Technology
Attachment
ATAG—Authoring Tool Accessibility
Guidelines
ATAPI—Advanced Technology
Attachment Packet Interface
ATM—Asynchronous Transfer Mode
AVC—Advanced Video Coding
AVI—Audio Video Interleaved
AWK—Aho Weinberger Kernighan
AWT—Abstract Window Toolkit