D DAC – Digital to Analog Converter DB – DataBase DBaaS – Database-as-a-service DBMS – Database Management System DBPSK – Differential Binary Phase Shift Keying DCE – Distributed Computing Environment DCE – Data Circuit-Termination Equipment DCL – Data Control Language DCO – Device Configuration Overlay DCOM – Distributed COM DDE – Dynamic Data Exchange DDL – Data Definition Language DDoS – Distributed Denial of Service DDR – Double Data Rate DEC – Digital Equipment Corporation DES – Data Encryption Standard DFS – Distributed File System DFS – Depth First Search DHCP – Dynamic Host Configuration Protocol DIF – Data Interchange Format DIMM – Dual Inline Memory Module DIP – Dual In-line Package DLCI – Data Link Control Identifier DLL – Dynamically Linked Library DLP – Data Loss Prevention DMA – Direct Memory Access DMF – Distribution Media Format DMI – Direct Media Interface DML – Data Manipulation Language DMZ – Demilitarized Zone DNS – Domain Name System DOCSIS – Data Over Cable Service Interface Specification DOM – Document Object Model DoS – Denial of Service DOS – Disk Operating System DPI – Dots Per Inch DPMS – Display Power Management System DQPSK – Differential Quadrature Phase Shift Keying DR – Disaster Recovery DRAM – Dynamic RAM DRI – Direct Rendering Infrastructure DRM –