1. DAT: Digital Audio Tape.
  2. DB: DataBase.
  3. DCC: Direct Client  to  Client.
  4. DDR: Double Data Rate.
  5. DES: Data Encryption Standard.
  6. DFD: Data Flow Diagram.
  7. DAO: Data Access Objects.
  8. DAP: Direct Access Protocol.
  9. DFS: Distributed File System.
  10. DBA: Database Administrator.
  11. DBMS: Database Management System.
  12. DHTML: Dynamic Hyper Text Markup Language.
  13. DIVX: Digital Video Express.
  14. DVE: Digital Video Effects.
  15. DNS: Domain Name System.
  16. DOS: Disk Operating System.
  17. DPI: Dots per INCH.
  18. DOS-PMI: Disk Operating System Protected Mode Interface.
  19. DLL: Dynamic Link Library.
  20. DLP: Digital Light Processing.
  21. DMA: Direct Memory Access.
  22. DSL: Digital Subscriber Line / Domain Specific Language.
  23. DVD-RW: Digital Versatile Disk  Rewritable.
  24. DVI: Digital Visual Interface.
  25. DVR: Digital Video Recorder.
  26. DVD-R: Digital Versatile Disk Recordable.
  27. DBSN: Database Source Name (ODBC).
  28. DTE: Data Terminal Equipment.
  29. DTR: Data Terminal Ready.
  30. DVD: Digital Versatile Disk / Digital Video Disk.
  31. DVD-ROM: Digital Versatile Disk  Read Only Memory.