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Definition: ARC

(1) (Audio Return Channel) See HDMI ARC.

(2) PC compression programs from System Enhancement Associates, Inc., Clifton, NJ. ARC was one of the first compression utilities to become popular in the early 1980s. ARC+Plus provides enhanced features and speed.

(3) The ARC extension was previously used by PKWARE Inc. in its PKARC program.

(4) (Advanced RISC Computing) An earlier open system specification based on the MIPS R3000 and R4000 CPUs. It included EISA and TURBOchannel buses.