C
- CAL
- calculator
- calculus
- calibration
- calibration data
- calibration input
- call
- call by reference
- call by value
- call center
- call collision
- call control
- call deflection
- Call Detail Record
- call forwarding
- call leg
- call management
- call processor
- call setup time
- call sign
- call waiting
- callback
- called routine
- caller ID
- calling card
- calling conventions
- CALS
- CAM files
- CAM table
- CAMAC
- camp-on
- campus
- CAN
- cancel
- cancelbot
- canister
- canonical form
- CAP
- capabilities-based assessment
- capability
- capability-based addressing
- capacitance
- capacitive touchscreen
- capacitor
- CAPEC
- capitalize
- capping
- Capstone
- capsule neural network
- captcha
