GATE ECE 1993 | Question 4.8

Question

For the logic circuit shown in the figure is the output $Y$ is equal to

• A. $\overline{\mathrm{ABC}}$
• B. $\overline{\mathrm{A}}+\overline{\mathrm{B}}+\overline{\mathrm{C}}$
• C. $\overline{\mathrm{AB}}+\overline{\mathrm{BC}}+\overline{\mathrm{A}}+\overline{\mathrm{C}}$