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NOT circuit

American  
[not] / nɒt /

noun

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


NOT circuit British  
/ nɒt /

noun

  1. Also called: inverter.   negatorcomputing a logic circuit that has a high-voltage output signal if the input signal is low, and vice versa: used extensively in computers

"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

Etymology

Origin of NOT circuit

First recorded in 1945–50