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Question 1
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Cosider the following Boolean Expression for F:
$F(P,Q,R,S)=PQ+\overline{P}QR+\overline{P}Q\overline{R}S$ .
The minimum sum of products form of F is
A.
$$PQ+QR+QS$$
B.
$$P+Q+R+S$$
C.
$$\overline{P}+\overline{Q}+\overline{R}+\overline{S}$$
D.
$$\overline{P}\, R+\, \overline{P}\, \overline{R}\, S+P$$
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