- Computers. a circuit that is energized when its input is not.
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
- 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
C20: so named because the action performed on electrical signals is similar to the operation of not in logical constructions