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DC:see direct currentdirect current,
abbr. DC, a movement of electric charge across an arbitrarily defined surface in one direction only. See electricity; generator.
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In an electric circuit, a current that flows in one direction only. Also see alternating current.
DC(1) (Direct Current) An electrical current that travels in one direction and used within the computer's electronic circuits. Contrast with AC.
(2) (Data Communications) See DB/DC.
(3) (Domain Controller) See PDC and BDC.