NOT reverses the input. For a diagram of these actions, see Boolean gates. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

Boolean logic does not just work with numbers. Boolean expressions can also compare text, for example to check if a password is correct.

When pulsed at their inputs, they change their state. To learn how gates work in a circuit, see Boolean logic. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.