Which of the following is a valid canonical Product of Sums (POS) expression ?
2023
Which of the following is a valid canonical Product of Sums (POS) expression ?
- A.
(A)(B)(C)
- B.
(A + B + C)(A' + B' + C')
- C.
(A + B)(C)
- D.
(A + B')(B + C')
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Correct answer: B
A canonical Product of Sums (POS) expression must be a product of maxterms, where every individual sum term contains all the variables of the system in either true or complemented form. Option B features all three variables (A, B, C) in both sum terms. Correct option is B.