DB-25 connector
dB (decibel) loss
dB (decibel) meter
dbe
dbms
dc
DC component
DC (Data Channel)
DC (Digital Computer)
DC (Direct Current)
dc (direct-current) coupling
dc (direct-current) erasing head
dc (direct-current) Josephson current
dc (direct-current) Josephson effect
dc (direct-current) measurement
dc (direct-current) receiver
dc (direct-current) reinsertion
dc (direct-current) resistance
dc (direct-current) restoration
dc (direct-current) ringer
dc (direct-current) ringing
dc (direct-current) selection
dc (direct-current) signaling
dc (direct-current) telegraphy = direct current telegraphy
dc (direct-current) transformer
dc (direct-current) transmission
dc (direct-current) tube neon lamp
dc (direct-current) voltage
DC1-4 (Device Control 1-4)
DCE (Data Circuit-terminating Equipment)