| Abbreviation | Definition |
|---|---|
| DCPI | Double Counts Per Inch |
| DCPU | Directory Central Processing Unit |
| DCR | Digital Chart Recorder |
| DCR | Dynamic Color Rendition |
| DCR | Dynamic Commodore Retrievial |
| DCS | Deadend Control System |
| DCS | Detector Control System |
| DCS | Digital Color Separation |
| DCS | Digital Command Signal |
| DCS | Disk Cartridge System |
| DCS | Distributed Computing Suite |
| DCS | Distributed Control System |
| DCT | Digital Core Technology |
| DCTL | Discrete Coupled Transistor Logic |
| DCU | Data Collection Unit |
| DD | Data Duplicator |
| DD | Discharged Dead |
| DD | Disk Data |
| DD | Disk Drive |
| DD | Disk Duplicator |