| Abbreviation | Definition |
|---|---|
| BRDC | British Racing Drivers' Club |
| BRM | Big Real Mode |
| CBLID | CaBLe IDentification |
| CCC | Catalyst Control Center |
| CDFS | Compact Disc File System |
| CDM | Combined Driver Model |
| CMCD | Cone Midrange Compression Drivers |
| CMY | Cyan, Magenta, Yellow |
| CMYK | Cyan, Magenta, Yellow, blacK |
| CTDF | Concerned Taxi Drivers Foundation |
| CVDA | Council Vehicle Drivers Authorisation |
| DBPA | Drivers Best Practices Assessment |
| DDMA | Digital-Direct Memory Access |
| DDOD | Designated Drivers On Demand |
| DETER | Drivers with Excessive Tickets Excluded from Registration |
| DFDD | Doctors for Designated Drivers |
| DGD | Dworkin's Generic Driver |
| DIFxAPP | Driver Install Framework for APPlications |
| DIRQL | Device Interrupt Request Level |
| DIX | Dec Intel Xerox |