| Abbreviation | Definition |
|---|---|
| DCA | Document Content Architecture |
| DCAF | Distributed Console Access Facility |
| DCB | Data Center Bridging |
| DCB | Data Control Block |
| DCB | Disk Coprocessor Board |
| DCC | Digital Compact Cassette |
| DCC | Diskette Controller Chip |
| DCD | Data Compiler And Decompiler |
| DCE | Data Circuit Terminating Equipment |
| DCE | Data Communications Equipment |
| DCE | Distributed Computing Environment |
| DCI | Developer Contextual Information |
| DCIM | Digital Camera Images |
| DCL | Data Control Language |
| DCL | Dec Control Language |
| DCL | Digital Command Language |
| DCMI | Dublin Core Metadata Initiative |
| DCN | Data Collection Node |
| DCO | Data Center Operations |
| DCOG | Distributed Cognition |