The on-and-off voltages manipulated inside a digital computer are, by convention, usually interpreted as "ones" and "zeroes." Strings of ones and zeroes are, by a further act of interpretation, usually held to represent larger numbers. However, no one...

The two's complement of a binary number is defined as the value obtained by subtracting the number from a large power of two (specifically, from 2N for an N-bit two's complement). A two's-complement system or two's-complement arithmetic is a system in...