Before revision: Inverter truth tableInput Output A NOT A0 11 0 128px|Traditional NOT gate (inverter) symbol frame|International Electrotechnical Commission NOT gate (inverter) symbol In digital logic, an inverter or NOT gate is a logic gate which implements logical negation.
After revision: 128px|Traditional NOT gate (inverter) symbol frame|International Electrotechnical Commission NOT gate (inverter) symbol In digital logic, an inverter or NOT gate is a logic gate which implements logical negation.