Two's complement

Updated: 07/12/2017 by Computer Hope
two's complement

A binary number that is created by reversing all the bits and then adding 1. In computing, the two's complement often is used to represent negative numbers. For example, to find the Two's complement of 1, which is 00000001, reverse each of the bits to get 11111110 and then add 1 to get 11111111.