Question

Find out output for given logic gate:

Answer 1

$F_1=\overline{AB}+B=\overline{A}+\overline{B}+B=\overline{A}+1$
$=F_1=1$
$F_2=\overline{F_{1}A}$
$=\overline{F_1}+\overline{A}$
$\overline{I}+\overline{A}=O+\overline{A}=\overline{A}$