Physics - Semiconductors Question with Solution | TestHub

$\begin{array}{rl}& {\mathrm{Y}}_1=\mathrm{A}\cdot \mathrm{B},{\mathrm{Y}}_2=\overline{\mathrm{A}}+\mathrm{B}\\ & \mathrm{Y}=\overline{{\mathrm{Y}}_1\cdot {\mathrm{Y}}_2}={\overline{\mathrm{Y}}}_1+{\overline{\mathrm{Y}}}_2\\ & \mathrm{Y}=\overline{\mathrm{A}\cdot \mathrm{B}}+\overline{\mathrm{A}+\mathrm{B}}\\ & \mathrm{Y}=\overline{\mathrm{A}}+\overline{\mathrm{B}}+\mathrm{A}\cdot \overline{\mathrm{B}}\end{array}$
$\begin{array}{ccc}A& B& Y\\ 0& 0& 1\\ 1& 0& 1\\ 0& 1& 1\\ 1& 1& 0\end{array}$