Topics include Web Development, Audio, Video, Graphics, Software and Hardware. See also the Music Glossary.

c
- capacitance
- capacitor
- capstan
- Cascading Style Sheets
- CAT5
- Category 5
- CD
- CD-ROM drive
- CE marking
- center frequency
- CGI
- chip
- chorus
- chroma key
- clipping
- Clover key
- CLUT
- CMYK
- coax
- coaxial cable
- color look-up table
- color perception
- color temperature
- Command key
- Common Gateway Interface
- compact disc
- Compact Disc Types
- component video
- composite video
- compressed audio
- compression
- compressor
- condenser microphone
- constant-Q equalizer
- contour control
- control track
- cookie
- copyright
- cps
- crest factor
- crossfader
- cross-hatching
- crossover
- cue
- current
- cut
- cutoff frequency
- cycles per second