Question:
Identify the correct output signal $\mathrm{Y}$ in the given combination of gates (as shown) for the given inputs $\mathrm{A}$ and $\mathrm{B}$.
Correct Option: 1
Solution:
(1) Boolean expression,
$y=\overline{\bar{A} \cdot \bar{B}}=\overline{\bar{A}}+\overline{\bar{B}}=A+B$
Truth table :
