XNOR gate

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INPUT OUTPUT
A B A XNOR B
0 0 1
0 1 0
1 0 0
1 1 1

The XNOR gate is a logic gate that outputs 1 (true) when both of its inputs are equal.

Symbols[change | change source]

There are three symbols for the XNOR gate:

XNOR ANSI Labelled.svg XNOR IEC.svg XNOR DIN.svg
MIL/ANSI Symbol IEC Symbol DIN Symbol