digital circuit 1. A circuit that operates like a switch (it is either on or off) and can make logical decisions. It is used in computers or similar decision-making equipment. The more common families of digital integrated circuits (called logic forms) are RTL, DTL, HTL, ECL, and TTL. 2. A circuit that has only two stable states, operating in the manner of a switch, that is, it is either on or off, or high or low (i.e., high voltage or low voltage).

digital clock A series of synchronized pulses that determine the bit times (data rate) of a digital pattern.

digital communication 1. The transmission of intelligence by the use of encoded numbers — usually uses the binary rather than decimal number system. 2. A system of telecommunications employing ...

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