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NOR circuit(nɔː) or
(Computer Science) 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 voltage. Compare AND circuit
[C20: from nor, so named because the action performed is similar to the operation of the conjunction nor in logic]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014