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Q. In the given circuit, the binary inputs at $A$ and $B$ are both $1$ in one case and both $0$ in the next case. The respective outputs at $Y$ in these two cases will be:Physics Question Image

WBJEEWBJEE 2017Semiconductor Electronics: Materials Devices and Simple Circuits

Solution:

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The output of logic gate circuit
$ Y=\overline{A \cdot B+\bar{A} \bar{B}}$
for $ A=1 $
$ B=1 \Rightarrow Y=0 $
and for $ A=0, B=0 $
$\Rightarrow Y=0$