| Desktop Publishing Package |
Destructive Memory |
| Device |
Devices and printers |
| Diacritical Mark |
Diagnostic Board |
| Dial-up- network |
Dialog Box |
| Dialogue Box |
Diasy wheel Printer |
| Digit |
Digital |
| Dimmed Command |
Directory |
| Disaster recovery |
Discovery |
| Discrete Device |
Disk buffer |
| Disk Drive |
Disk Operating System |
| Distributed Database |
Dock |
| Document Window |
Documents |
| Domain |
Domain Name |
| Domain Server |
Dot Matrix Printer |
| Double Linked List |
Double precision |