| ACSK |
Adaptive Code Shift Keying |
| ACSnet |
Australian Computer Science Network |
| ACT |
Advanced Communication for Training |
| ACT |
Applied Computerized Telephony (HP) |
| ACTA |
Americas Carriers Telecommunication Association |
| ACTI |
Advanced Computational Technology Initiative |
| ACTS |
Advanced Communications Technologies and Services |
| ACTS |
Advanced Communications Technology Satellite |
| ACTS |
Automated Computer Time Service (NIST) |
| ACTV |
Advanced Compatible Television |
| ACU |
Automatic Calling Unit |
| ACU |
Access Control Unit |
| ACU |
Acknowledgement Signal Unit |
| AD |
Administrative Domain |
| AD |
Active Directory |
| ADA |
Adobe Developers Association |
| ADA |
Applied Decision Analysis |
| ADA |
Automatic Data Acquisition |
| ADABAS |
Adaptable Database System |
| ADAIC |
Ada Information Clearinghouse |
| ADAM |
Automatischer Datenmessplatz |
| ADAM |
Art, Design, Architecture + Media Information Gateway |
| ADB |
Apple Desktop Bus |
| ADC |
Analogue to Digital Converter |
| ADC |
Apple Developer Connection |
| ADC |
Apple Display Connector |
| ADC |
Application Development Classes |
| ADC |
Add with Carry |
| ADC |
Adaptive Data Compression |
| ADC |
Analog Digital Converter |
| ADCCP |
Advanced Data Communication Control Procedure |
| ADD |
Adapter Device Driver |
| ADDX |
Assoziation Deutschsprachiger DXer |
| ADE |
Application Development Environment |
| ADE |
Advanced Document Engineering |
| ADEOS |
Advanced Earth Observation Satellite, Japan |
| ADEPA |
Agence Nationale pour le Developpement de la Production Automatisee |
| ADF |
Automatic Document Feed/Feeder |
| ADF |
Address Distribution Facility |
| ADF |
Automatic Direction Finder/Finding |
| ADFS |
Acorn Disc File System |
| ADI |
Autodesk Device Interface |
| ADI |
Agence de le Informatique |
| ADISS |
Analytical Data Interchange + Storage Standards |
| ADL |
Address Data Latch |
| ADL |
Above Detection Limit |
| ADL |
Adventure Definition Language |
| ADLAT |
Adaptive Lattice Filter |
| ADLC |
Adaptive Lossless Data Compression |
| ADM |
Add/Drop-Multiplexer |