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Q. In the following circuit, the output $Y$ for all possible inputs $A$ and $B$ is expressed by the truth tablePhysics Question Image

Semiconductor Electronics: Materials Devices and Simple Circuits

Solution:

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$Y^{\prime}=\overline{A+B} . \quad Y=\overline{\overline{A+B}}=A+B$
Truth table of the given circuit is given by

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