NOR gate

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INPUT OUTPUT
A B A NOR B
0 0 1
0 1 0
1 0 0
1 1 0

The NOR gate is a logic gate that outputs 1 (true) when both of its inputs are 0 (false). That means that if at least one of its inputs is 1 (true), the output will be 0.

The best way to remember a NOR operation is "neither one or the other, nor both."

Symbols[change | change source]

There are three symbols for the NOR gate:

NOR ANSI Labelled.svg NOR IEC.svg NOR DIN.svg
MIL/ANSI Symbol IEC Symbol DIN Symbol