- common tangent
- communicate
- communicating
- communication
- communication adapter
- communication bus
- communication cable
- communication card
- communication center
- communication console
- communication control
- communication cost
- communication engineering
- communication equipment
- communication facility
- communication file
- communication line
- communication link
- communication load
- communication management
- communication parameter
- communication port
- communication procedure
- communication protocol
- communication quality
- communication queue
- communication receiver
- communication region
- communication satellite
- communication scanner
- communication section
- communication server
- communication settings
- communications partner
- communications protocol
- communications settings
- communications subsystem
- communications system
- combination method
- combinatorial math
- combinatorial topology
- combinatory analysis
- combined experiment
- combined variation
- combining network
- combo box
- COMDEX
- comma
- comma delimiter
- comma format
- command
- command area
- command button
- command display
- command facility
- command help
- command input
- command key
- command mode
- command operator
- command prompt
- command string
- command substitution
- comment code
- comment entry
- commerce
- commercial character
- commercial computer
- commercial frequency
- commercial power
- common block
- common buffer
- common denominator
- common divisor
- common factor
- companding
- companion
- companion matrix
- companion product
- comparable
- comparative relation
- comparative statistics
- comparison chart
- comparison equation
- compartmentalization
- compatibility condition
- compatibility issue
- compensated semiconductor
- compete
- competitive
- compilation error
- compilation unit
- compiler optimization
- compiling computer
- compiling phase
- complement
- complementary acceleration
- complementary minor
- complementary operation
- complementary pair