What is “2's Complement”?

Question

I\'m in a computer systems course and have been struggling, in part, with Two\'s Complement. I want to understand it but everything I\'ve read hasn\'t brought the p

Answer 1

Two's complement is mainly used for the following reasons:

1. To avoid multiple representations of 0
2. To avoid keeping track of carry bit (as in one's complement) in case of an overflow.
3. Carrying out simple operations like addition and subtraction becomes easy.