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Question 1
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Consider the following minterm for F:F(P, Q, R, S) = Σ0, 2, 5, 7, 8, 10, 13, 15. The minterms 2, 7, 8, and 13 are don't care terms. The minimal sum of products form for F is
A.
$$\overline{Q}S+Q\overline{S}$$
B.
$$\overline{Q}\, \overline{S}+QS$$
C.
$$\overline{Q}\, \overline{R}\, \overline{S}+\overline{Q}\, R\overline{S}+Q\overline{R}\, S+QRS$$
D.
$$\overline{P}\, \overline{Q}\, \overline{S}+\overline{P}\, QS+PQS+P\, \overline{Q}\, \overline{S}$$
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