C
- C/A code
- C&A
- C&C
- C#
- C++
- C2 security
- C2A
- C2C
- C2I
- CAAD
- CaaS
- CAAT
- cabinet
- cable
- cable bus
- cable construction
- cable grooming
- cable lock
- cable management system
- cable modem
- cable plant
- cable router
- cable television
- CAC
- cache
- cache architecture
- cache bus
- cache coherency
- cache coherency
- cache compaction
- cache controller
- cache flush
- cache hit
- cache line
- cache locking
- cache memory
- cache miss
- cache performance
- cache subsystem
- cache-tag RAM
- caching
- CAD/CAM
- CADD
- caddy
- CAE
- Caesar cipher
- CAESARS
- cage-free robot
- CAI
- CAID
