- colour graphics
- colour mapping
- colour menu
- colour shift
- colour spline
- column graph
- column order
- combination chart
- combinational explosion
- combinatorial property
- combinatory definability
- combined condition
- combined head
- combined sound
- combined station
- combining documents
- combustion engine
- come on
- comma chip
- comma separator
- command analyzer
- command channel
- command file
- command interpreter
- command language
- command list
- command parameter
- command processor
- command pulse
- command request
- command retry
- command sequence
- command state
- command statement
- cold site
- cold working
- colinear
- collapse
- collapse subdocument
- collapsible
- collating machine
- collating sort
- collation operation
- collect
- collect transfer
- collection station
- collimation method
- collinear planes
- Collinearity
- collision avoidance
- collision detection
- color adaptor
- color bars
- color burst
- color cell
- color coder
- color comparator
- color contamination
- color image
- color menu
- color model
- color monitor
- color number
- color palette
- color plane
- color saturation
- color space
- color standard
- color subsampling
- color transmission
- colorable
- colour adapter
- colour background
- colour balance
- colour decoder
- colour monitor
- colour register
- colour system
- colourable
- column
- column indicator
- column marker
- column parity
- column punch
- column split
- COM2
- combination analysis
- color noise
- color oscillator
- color picture
- color purity
- color ramp
- color resolution
- color scheme
- color switching
- colour map
- colour palette
- colour space
- colour table
- colour value