| ABTS |
American standard code for information interchange (ASCII) Block Terminal Services |
| ABU |
Application Business Unit |
| ABUS |
Automobile Bitserielle Universal-Schnittstelle |
| ABVS |
Advanced Broadband Video Service |
| AC |
Arc Consistency |
| AC |
Automatic Computer |
| AC |
Authentification Code |
| AC |
Authentication Center |
| AC |
Application Context |
| AC |
Advanced Complementary metal-oxide semiconductor (CMOS) |
| AC |
Alternating Current |
| AC |
Access/Automatic Control |
| AC |
Access Concentrator |
| AC |
Advisory Committee |
| AC |
Analogue Computer |
| AC |
Audio Code/Codec |
| AC |
Authority Center |
| AC-1 |
Audio Coding 1 |
| AC-2 |
Audio Coding 2 |
| AC-3 |
Audio Coding 3 |
| AC97 |
Audio enCoder/decoder 1997 |
| ACA |
Application Control Architecture (DEC) |
| ACALS |
Architecture Computer Aided Logistic Support |
| ACAP |
Application Configuration Access Protocol |
| ACARB |
Australian Computer Abuse Research Bureau |
| ACAS |
Application Control Architecture Services |
| ACATS |
Advisory Committee on Advanced Television Systems |
| ACB |
ACcess Barred |
| ACB |
Access method Control Block |
| ACB |
Adapter Control Block |
| ACB |
Application Control Block |
| ACB |
Automatic Call Back |
| ACC |
Abnormal Condition Control |
| ACC |
Area Communication Controller |
| ACC |
Area Control Computers |
| ACC |
Automatic Congestion Control |
| ACC |
Application Control Code |
| ACC |
Accumulator |
| ACCESS.BUS |
ACCESSory devices BUS |
| ACCOLC |
ACCess OverLoad Class |
| ACCS |
Automated Calling Card Service |
| ACCU |
Association of C and C++ Users |
| ACD |
Automatic Call Distribution |
| ACD |
Automated/Automatic Call Director/Distributor/Distribution |
| ACDI |
Asynchronous Communications Device Interface |
| ACDI |
Asynchronous Communication Device Interface |
| ACDP |
Australian Committee on Data Processing |
| ACDS |
Active Control Data Set |
| ACE |
pilot Automatic Computing Engine |
| ACE |
Automatic Computing Engine |