Q 12-14-070JEE MainJEE Main 2024 (29 Jan, Shift 2)Medium
The truth table for the given circuit is:
Answer: (B) $\begin{array}{ccc} A & B & Y \\ \hline 0 & 0 & 0 \\ 0 & 1 & 1 \\ 1 & 0 & 0 \\ 1 & 1 & 1 \end{array}$
Upper AND gate: $AB$. Lower AND gate: $\bar AB$.
$$Y = AB + \bar AB = B(A + \bar A) = B$$
So $Y$ equals $B$: $Y = 0, 1, 0, 1$ for $AB = 00, 01, 10, 11$.
Solution by Sreeraj P, M.Sc Physics