Which of the following expressions is in the sum-of-products form?
A. (A + B)(C + D)
B. (A * B)(C * D)
C. A* B *(CD)
D. A * B + C * D
Answer:D
Which of the following expressions is in the sum-of-products form?
A. (A + B)(C + D) B. (A * B)(C * D) C. A* B *(CD) D. A * B + C * D
Explanation: Sum of product means that it is the sum of all product terms. Thus, the number is multiplied first and then it is added: A * B + C * D.