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Q. For this truth table

A B Y
0 0 1
0 1 0
1 0 0
1 1 1


Which logic expression is correct?

NTA AbhyasNTA Abhyas 2020Semiconductor Electronics: Materials Devices and Simple Circuits

Solution:

This is Exclusive NOR gate or XNOR gate
Therefore $Y=\overline{A B}+A B$