• synonyms

NOT circuit

  1. Computers. a circuit that is energized when its input is not.
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Origin of NOT circuit

First recorded in 1945–50
Also called NOT gate.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for not circuit

NOT circuit

NOT gate

  1. computing a logic circuit that has a high-voltage output signal if the input signal is low, and vice versa: used extensively in computersAlso called: inverter, negator
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Word Origin

C20: so named because the action performed on electrical signals is similar to the operation of not in logical constructions
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012