GATE Electrical 2024 | Question: 14

Question

​​​​Simplified form of the Boolean function
\[
F(P, Q, R, S)=\bar{P} \bar{Q}+\bar{P} Q S+P \bar{Q} \bar{R} \bar{S}+P \bar{Q} R \bar{S}
\]
is

• A. $\bar{P} S+\bar{Q} \bar{S}$
• B. $\bar{P} \bar{Q}+\bar{Q} \bar{S}$
• C. $\bar{P} Q+R \bar{S}$
• D. $P \bar{S}+Q \bar{R}$