| Abbreviation | Definition |
|---|---|
| DAS | Distributed Application Support |
| DATCOM | Data Communication |
| DAU | Daily Active Users |
| DAV | Distributed Authoring And Versioning |
| DAVI | Digital Audio- Visual Interface |
| DAVM | Digital Audio-Visual Module |
| DAW | Digital Audio Workstation |
| DBA | Data Base Administration |
| DBA | Direct Bus Attachment |
| DBC | Default Boundary Conditions |
| DBCE | Data Based Channel Estimation |
| DBDQ | Doubling Bandwidth by Doubling the Queue |
| DBDS | Digital Broadband Delivery System |
| DBN | Data Broadcast Network |
| DBN | Delve Business Network |
| DBP | Downward Bidding Protocol |
| DBS | Distributed Base Station |
| DC | Device Context |
| DC | Domain Component |
| DC | Domain Controller |