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NOR circuit

[nawr]
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noun
  1. Computers. a circuit that is energized only when none of its inputs are energized.
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Origin of NOR circuit

First recorded in 1955–60
Also called NOR gate.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for nor circuit

NOR circuit

NOR gate

noun
  1. computing a logic circuit having two or more input wires and one output wire that has a high-voltage output signal only if all input signals are at a low voltageCompare AND circuit
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Word Origin

C20: from nor, so named because the action performed is similar to the operation of the conjunction nor in logic
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