D
- DAC – Digital-Analog-Converter - Multimedia
- DAM – Direct Access Memory - Speicher
- DDR – Double Data Rate - Speicher
- DFÜ – Datenfernübertragung - Internet
- DHCP – Dynamic Host Configuration Protocol - Netzwerk
- DIMM – Dual In-Line Memory Module - Speicher
- DNS – Domain Name Service - Internet
- DIP – Dual Inline Package - Elektronik
- DLP – Digital Light Processing - Multimedia
- DMA – Direct Memory Access - Speicher
- DMB – Digital Media Broadcasting - Multimedia
- DMZ – Demilitarized Zone (Netzwerke) - Netzwerk
- DOS – Disk Operating System - Software
- DoS – Denail of Service - Internet
- dpi – dots per inch - Drucker
- DRAM – Dynamic RAM - Speicher
- DSL – Digital Subscriber Line - Internet
- DSP – Digitaler Signalprozessor - Multimedia
- DVB – Digital Video Broadcasting - Multimedia
- DVD – Digital Versatile Disc - Massenspeicher
- DVI – Digital Visual Interface - Monitor