NOT circuit

[not] /nɒt/
noun
1.
Computers. a circuit that is energized when its input is not.
Also called NOT gate.
Origin
1945-50
British Dictionary definitions for NOT circuit

NOT circuit

/nɒt/
noun
1.
(computing) a logic circuit that has a high-voltage output signal if the input signal is low, and vice versa: used extensively in computers Also called inverter, negator
Word Origin
C20: so named because the action performed on electrical signals is similar to the operation of not in logical constructions