When multiplying numbers in the 2's- complement system, the product's sign is:
A) negative if the signs of the multiplier and multiplicand are the same.
B) negative if the multiplier and multiplicand are both positive signs.
C) positive if the signs of the multiplier and the multiplicand are the same.
D) positive if the sign bits of the multiplier and multiplicand are opposite.

Question

Quizplus · Accepted Answer

In the 2's-complement system, the product of two numbers will have a positive sign if the signs of the multiplier and multiplicand are the same, either both positive or both negative. This is because a negative times a negative equals a positive, and a positive times a positive also equals a positive.

When Multiplying Numbers in the 2's- Complement System, the Product's