- data-in
- DATABASE INTEGRATOR
- datamart
- daughter card
- de-fragmentation
- deactivate
- dead zone
- deadly embrace
- deal
- death process
- debenture
- debug
- debugger
- debugging line
- debugging tool
- dec
- definable
- define statement
- defining polynomial
- definite network
- definition statement
- deflection curve
- deformable
- degenerate process
- delay cable
- delay characteristic
- delay compensation
- delay distortion
- delay factor
- delay maintenance
- delay variation
- delayed feedback
- delayed maintenance
- delegate server
- deleted
- deleted feature
- deleted representation
- deletion
- deletion record
- delicacy
- delimit
- delimited
- delimiter
- delimiter role
- delimiter set
- delimiter statement
- delimiter string
- delimiting comma
- delivery address
- delivery cylinder
- delivery mechanism
- delivery notification
- delivery platform
- delivery report
- delivery roller
- delivery time
- delivery tray
- delivery wheels
- delphi
- delta
- delta amplitude
- delta clock
- delta connection
- DELTA Disk
- delta method
- delta modulation
- delta network
- delta x
- demagnetize field
- demand analysis
- debit card
- deblocking
- debug facility
- debugging mode
- debugging section
- debugging utility
- decade
- decagon
- decahedron
- decapsulate
- deceleration electrode
- decimal arithmetic
- decimal feature
- decision element
- declarative knowledge
- declarative macroinstruction
- declarator
- decoding routine
- decompilation
- decomposable
- deconfigure
- decrement operator
- dedicated channel
- dedicated computer
- dedicated key
- dedicated logic
- default directory
- default form
- default group
- default instance