| Abbreviation | Definition |
|---|---|
| DBIA | Data Bus Interface Adapter |
| DBIA | Data Bus Isolation Amplifier |
| DBIU | Data Bus Interface Unit |
| DBL | DouBLe |
| DBM | DataBase Management |
| DBN | Data Bus Network |
| DBP | Design Baseline Program |
| DBRN | Data Bank Release Notice |
| DBS | Data Base System |
| DBS | Digital Broadcast Satellite |
| DBUR | Data Bank Update Request |
| DBW | Data Bus Wire |
| dBW | Decibels referenced to 1 Watt |
| DBW | Drive By Wire |
| DC | Data Coordinator |
| DC | Development Center |
| DC | Direct Command |
| DC | Display Coupler |
| DCA | Design Change Authorization |
| DCA | Digital Command Assembly |