Following gates section is connected in a complete suitable circuit. For which of the following comb

Question

Following gates section is connected in a complete suitable circuit. For which of the following combination, bulb will glow $(\mathrm{ON})$.

Professor PC Thomas Classes · Answer

(c) : Bulb will glow if $y_1=1$ and $y_2=0$ or $y_1=0$ and $y_2=1$ ∴ For the combination, $A=1, B=0, C=0$ and $D=0$, bulb will glow.