Suppose you are working with 4 bit 2's complement signed numbers. Which pairs of numbers, if added, will produce the wrong result (overflow).

-6 and - 3

Explanation:

4 bit 2's complement can represent numbers between - 8 and + 7.

Overflow can occur if the result is greater than 7 or less than - 8.

If two numbers with the same sign positive or negative are added and the result gives an opposite sign, an overflow has occurred