Question

Boolean output for $ABC\left(\bar{A}+\bar{B}+\bar{C}\right)$ is :-

• A. Zero
• B. $1$
• C. $A+B+C$
• D. $ABC$

Answer 1

Answer: (A)

By $D-$ Morgan theorem
$\bar{A}+\bar{B}+\bar{C}=\overline{ABC}$
$ABC\left(\overline{ABC}\right)=0$