A chart of a logical operation's inputs and outputs. The following example is a Boolean NAND truth table. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

Computers use electrical circuits which have two states – on or off. This can also be represented as 1 or 0 or True and False. Logic gates take an input of True or False and give an output of ...

A ‘1’ in a truth table represents where the input or output is ‘high’, eg where a switch is pressed or a lamp is lit. A ‘0’ represents the opposite, eg where a switch is not pressed or ...