The following terms starting with the letter "D" have specific pages dedicated to them. You can come back to this page or the main Computer Terms page by using the navigation breadcrumbs at the bottom of each page.

• DAC = Digital-to-Analog Converter
• DAFS = Direct Access File System
• DAFS = Document Attribute Format Specification
• DAO = Data Access Objects
• DAO = Disk At Once
• DASD = Direct Access Storage Device
• DAT = Digital Audio Tape
• DB = Database
• DB2 = Database 2
• DBMS = Database Management System
• DCC = Direct Cable Connection
• DCE = Data Communications Equipment
• DCF = Design Rule for Camera File Systems
• DCI = Display Control Interface
• DDE = Dynamic Data Exchange
• DDI = Direct Draw Interface
• DDR SDRAM = Double Data Rate-Synchronous DRAM
• DDS = Digital Data Storage
• DEBI = DMA Extended Bus Interface
• DEC = Digital Equipment Corporation
• DES = Data Encryption Standard
• DFM = Design for Manufacturing
• DHCP = Dynamic Host Configuration Protocol
• DID = Direct Inward Dialing
• DIF = Data Interchange Format
• DIF = Directory Interchange Format
• Digital Certificate = A form of secure identification
• DIMM = Dual In-Line Memory Module
• DIN = Deutsches Institut für Normung
• DINOR = Divided bit-line NOR
• DIP = Dual In-line Package
• Disintermediation = Remove the middleman
• Divx = Digital video express
• DIZ = Description in ZIP
• DLC = Data Link Control
• DLL = Dynamic Link Library
• DLP = Digital Light Processing
• DLT = Digital Linear Tape
• DMA = Direct Memory Access
• DMCA = Digital Millennium Copyright Act
• DMG = Data Mining Group
• DMI = Desktop Management Interface
• DNS = Domain Name Service (System)
• DOCSIS/MCNS = Data Over Cable Services and Interface Specifications for Multimedia Cable Network Systems
• DOM = Document Object Model
• Donder vs Donner = That's right Santa's reindeer
• DoS = Denial-of-Service
• DOS = Disk Operating System
• Dot-matrix Printer = A printer that uses impact of pins against a ribbon
• dpi = Dots Per Inch
• DPMI = DOS Protected Mode Interface
• DRAM = Dynamic Random Access Memory
• DSL = Digital Subscriber Line
• DSLAM = Digital Subscriber Line Access Multiplexer (Module)
• DSOM = Distributed System Object Model
• DSP = Digital Signal Processor
• DSR = Data Set Ready
• DSTN = Double-layer Supertwist Nematic
• DSU = Data Service Unit
• DSVD = Digital Simultaneous Voice and Data
• DTD = Document Type Definition
• DTE = Data Termination (Terminal) Equipment
• DUN = Dial-Up Networking
• DVD = Digital Versatile (Video) Disc
• DVD+RW = Digital Versatile (Video) Disc + Read/Write
• DVD-RAM = Digital Versatile (Video) Disc - Random Access Memory
• DVD-ROM = Digital Versatile (Video) Disc - Read Only Memory
• DVI = Digital Video Interactive
• DWDM = Dense Wave Division Multiplexing
• DXF = Data Exchange File (Format)