AA
|
Anti-Aliasing
|
AAC
|
Advanced Audio Coding (audio compression format defined by the MPEG-2 standard)
|
ABI
|
Application Binary Interface
|
ABM
|
Asynchronous Balanced Mode
|
ABR
|
Area Border Router
|
AC
|
Acoustic Coupler
|
ACID
|
Atomiticy Consistency Isolation Durability
|
ACL
|
Active Current Loop
|
ACM
|
Association for Computing Machinery
|
ACPI
|
Advanced Configuration and Power Interface
|
ACF
|
Advanced Communications Function
|
ACK
|
ACKnowledgement
|
AD
|
Active Directory
|
AD
|
Administrative Domain
|
ADC
|
Apple Display Connector (DVI variant)
|
ADO
|
ActiveX Data Object
|
ADSL
|
Asymmetric Digital Subscriber Line (variant of DSL)
|
AE
|
Adaptive Equalizer
|
AES
|
Advanced Encryption Standard
|
AGP
|
Accelerated Graphics Port (sometimes used with a suffix indicating the port's bandwidth, like AGP4x)
|
AI
|
Artificial Intelligence
|
AIM
|
AOL Instant Messenger
|
AIX
|
Advanced Interactive Executive
|
Ajax
|
Asynchronous JavaScript and XML
|
ALSA
|
Advanced Linux Sound Architecture
|
ALU
|
Arithmetic and Logical Unit
|
AM
|
Active Matrix
|
AMD
|
Advanced Micro Devices
|
AMI
|
American Megatrends Inc. (BIOS manufacturer)
|
AMR
|
Audio Modem Riser
|
ANSI
|
American National Standards Institute
|
AoE
|
ATA-over-Ethernet
|
AOL
|
America Online
|
AOP
|
Aspect-Oriented Programming
|
API
|
Application Programming Interface
|
APL
|
A Programming Language
|
APR
|
Apache Portable Runtime
|
ARM
|
Advanced RISC Machines
|
ARP
|
Address Resolution Protocol
|
ARPA
|
Advanced Research Projects Agency (see also DARPA)
|
ARPANET
|
Advanced Research Projects Agency Network
|
AS
|
Access Server
|
ASCII
|
American Standard Code for Information Interchange
|
ASIC
|
Application Specific Integrated Circuit
|
ASP
|
Application Service Provider
|
ASP (MS ASP)
|
Active Server Pages
|
AT
|
Advanced Technology
|
ATA
|
Advanced Technology Attachment
|
ATAPI
|
Advanced Technology Attachment Packet Interface
|
ATG
|
Advanced Technology Group
|
ATI
|
Array Technology Industry
|
AT&T
|
American Telephone & Telegraph
|
AVC
|
Advanced Video Coding
|
AVI
|
Audio Video Interleaved
|
CA
|
Certificate Authority
|
CAD
|
Computer-Aided Design
|
CAE
|
Computer-Aided Engineering
|
CAID
|
Computer Aided Industrial Design
|
CAM
|
Computer-Aided Manufacturing
|
CAQ
|
Computer Aided Quality
|
CASE
|
Computer-Aided Software Engineering
|
CD
|
Compact Disc
|
CDE
|
Common Desktop Environment
|
CDMA
|
Code Division Multiple Access
|
CD-R
|
CD-Recordable
|
CD-ROM
|
CD Read-Only Memory
|
CD-RW
|
CD-Rewritable
|
CERT
|
Computer Emergency Response Team
|
CES
|
Consumer Electronics Show
|
CF
|
Compact Flash
|
CFG
|
Context-Free Grammar
|
CFG
|
Control Flow Graph
|
CG
|
Computer Graphics
|
CGA
|
Color Graphics Array
|
CGI
|
Common Gateway Interface
|
CGI
|
Computer-Generated Imagery
|
CGT
|
Computational Graph Theory
|
CIFS
|
Common Internet Filesystem
|
CIM
|
Common Information Model
|
CISC
|
Complex Instruction Set Computer
|
CLI
|
Command Line Interface
|
CLR
|
Common Language Runtime
|
CM
|
Content Management
|
CMOS
|
Complementary Metal-Oxide Semiconductor
|
CMS
|
Content Management System
|
CNC
|
Computer Numerical Control
|
CNR
|
Communication and Networking Riser
|
COBOL
|
Common Business-Oriented Language
|
COM
|
Component Object Model
|
CORBA
|
Common Object Request Broker Architecture
|
CPAN
|
Comprehensive Perl Archive Network
|
cps
|
characters per second
|
CPU
|
Central Processing Unit
|
CR
|
Carriage Return
|
CRC
|
Cyclic Redundancy Check
|
CRLF
|
Carriage Return Line Feed
|
CRM
|
Customer Relationship Management
|
CRT
|
Cathode Ray Tube
|
CS
|
Cable Select
|
CS
|
Computer Science
|
CSE
|
Computer Science and Engineering
|
CSS
|
Cascading Style Sheets
|
CSS
|
Content-Scrambling System
|
CSS
|
Closed Source Software
|
CSS
|
Cross Site Scripting
|
CSV
|
Comma-Separated Values
|
CT
|
Computerized Tomography
|
CTCP
|
Client-To-Client Protocol
|
CTS
|
Clear To Send
|
CTSS
|
Compatible Time-Sharing System
|
CVS
|
Concurrent Versioning System
|
DARPA
|
Defense Advanced Research Projects Agency
|
DAO
|
Data Access Objects
|
DAO
|
Disk-At-Once
|
DAP
|
Directory Access Protocol
|
DAT
|
Digital Audio Tape
|
DB
|
Database
|
DBA
|
Database Administrator
|
DBMS
|
Database Management System
|
DCC
|
Direct Client-to-Client
|
DCL
|
Data Control Language
|
DCMI
|
Dublin Core Metadata Initiative
|
DCOM
|
Distributed Component Object Model
|
DD
|
Double Density
|
DDE
|
Dynamic Data Exchange
|
DDL
|
Data Definition Language
|
DDoS
|
Distributed Denial of Service
|
DDR
|
Double Data Rate
|
DEC
|
Digital Equipment Corporation
|
DES
|
Data Encryption Standard
|
DFA
|
Deterministic Finite Automaton
|
DFD
|
Data Flow Diagram
|
DFS
|
Depth-First Search
|
DHCP
|
Dynamic Host Configuration Protocol
|
DHTML
|
Dynamic HTML
|
DIMM
|
Dual Inline Memory Module
|
DIP
|
Dual In-line Package
|
DIVX
|
Digital Video Express
|
DLL
|
Dynamic Link Library
|
DLP
|
Digital Light Processing
|
DMA
|
Direct Memory Access
|
DMCA
|
Digital Millennium Copyright Act
|
DML
|
Data Manipulation Language
|
DND
|
Drag-and-Drop
|
DNS
|
Domain Name System
|
DOCSIS
|
Data Over Cable Service Interface Specification
|
DOM
|
Document Object Model
|
DoS
|
Denial of Service
|
DOS
|
Disk Operating System
|
DP
|
Dot Pitch
|
DPI
|
Dots Per Inch
|
DPMI
|
DOS Protected Mode Interface
|
DPMS
|
Display Power Management Signaling
|
DRAM
|
Dynamic Random Access Memory
|
DRM
|
Digital Rights Management
|
DRM
|
Direct Rendering Manager
|
DSLAM
|
Digital subscriber line access multiplexer
|
DSN
|
Database Source Name (ODBC)
|
DSN
|
Dataset Name? (OS/390)
|
DTD
|
Document Type Definition
|
DTP
|
Desktop Publishing
|
DTR
|
Data Terminal Ready?
|
DVD
|
Digital Video Disc / Digital Versatile Disc
|
DVR
|
Digital Video Recorder (see also PVR)
|