- control monitor
- control overrun
- control processor
- control punching
- control region
- control routine
- control sequence
- control specification
- control standards
- control tag
- controlled variable
- controller card
- controller function
- convenience outlet
- conventional
- conventional programming
- convergent filtration
- convergent series
- conversation
- conversational compiler
- conversational file
- conversational processing
- converse domain
- Conversion factor
- conversion function
- conversion time
- converted indication
- converter
- converting files
- convex functional
- convex space
- convexity
- convolution algebra
- contractible space
- contradiction
- contrast ratio
- contravariant
- contravariant system
- contravariant vector
- contribute
- control action
- control application
- control ball
- control channel
- control circuitry
- control criterion
- control file
- control function
- control key
- control language
- control lead
- control loop
- control mark
- control mode
- control module
- control state
- control station
- control symbol
- control techniques
- control total
- controllability
- controlled member
- controlled slip
- controller number
- controlling device
- controlling mean
- controlling voltage
- conventional equipment
- convergence electrode
- conversational
- conversational mode
- conversion
- conversion operator
- conversion prohibition
- conversion routine
- conversion type
- convex curve
- convex domain
- convex envelope
- convex game
- convex programming
- convex subgroup
- convolution
- convolution transform
- cooperation
- cooperative application
- coordinate graphics
- coordinate paper
- coordinate relation
- cording diagram
- cordless mouse
- cordless switchboard
- core array
- core configuration
- core drill
- core dump
- core gateway
- core image
- core index
- core load