| Acronym | Meaning |
![](file.png) | A/D | Analog To Digital |
![](file.png) | A/V | Audio/Visual |
![](file.png) | AAC | Advanced Audio Coding |
![](file.png) | AARP | AppleTalk Address Resolution Protocol |
![](file.png) | ABBH | Average Bouncing Busy Hour |
![](file.png) | ABC | Atanasoff-Berry Computer |
![](file.png) | ABEND | Abnormal End |
![](file.png) | AC | Alternating Current |
![](file.png) | ACD | Automatic Call Distributor |
![](file.png) | ACES | Asia Cellular Satellite System |
![](file.png) | ACK | Acknowledge Character |
![](file.png) | ACL | Access Control List |
![](file.png) | ACM | Association For Computing Machinery |
![](file.png) | ACPI | Advanced Configuration And Power Interface |
![](file.png) | ACTA | America's Carriers Telecommunications Association |
![](file.png) | ACU | Automatic Calling Unit |
![](file.png) | ADB | Apple Desktop Bus |
![](file.png) | ADCCP | Advanced Data Communications Control Protocol |
![](file.png) | ADO | ActiveX Data Objects |
![](file.png) | ADP | Automatic Data Processing |
![](file.png) | ADPCM | Adaptive Differential Pulse Code Modulation |
![](file.png) | ADS | Alternate Data Streams |
![](file.png) | ADSL | Asymmetric Digital Subscriber Line |
![](file.png) | ADVEIS | Anti-Virus Dependent Vulnerabilities In E-mail Infrastructure Security |
![](file.png) | AES | Asynchronous Event Scheduler |
![](file.png) | AFAIK | As Far As I Know |
![](file.png) | AGP | Accelerated Graphics Port |
![](file.png) | AH | Authentication Header |
![](file.png) | AI | Artificial Intelligence |
![](file.png) | AIFF | Audio Interchange File Format |
![](file.png) | AIFF-C | Audio Interchange File Format |
![](file.png) | AIML | Astronomical Instrument Markup Language |
![](file.png) | AIX | Advanced Interactive Executive |
![](file.png) | ALGOL | Algorithmic Language |
![](file.png) | ALU | Arithmetic (and) Logic Unit |
![](file.png) | AMANDA | Advanced Maryland Automatic Network Disk Archiver |
![](file.png) | AMD | Advanced Micro Devices |
![](file.png) | AML | Astronomy Markup Language |
![](file.png) | AMP | Advanced Metal Powder |
![](file.png) | AMPS | Advanced Mobile Phone System |
![](file.png) | AMS | American Mobile Satellite Corporation |
![](file.png) | AN | Active Network |
![](file.png) | ANSA | Adaptive Network Security Alliance |
![](file.png) | ANSI | American National Standards Institute |
![](file.png) | AOL | America Online |
![](file.png) | APA | All Points Addressable |
![](file.png) | API | Application Program(ming) Interface |
![](file.png) | APM | Advanced Power Management |
![](file.png) | APP | Application Portability Profile |
![](file.png) | APWG | Anti-Phishing Working Group |