Ones' complement

Mathematics concept

The ones' complement of a binary number is the value obtained by inverting (flipping) all the bits in the binary representation of the number. The name "ones' complement" refers to the fact that such an inverted value, if added to the original, would always produce an "all ones" number. This mathematical operation is primarily of interest in computer science, where it has varying effects depending on how a specific computer represents numbers.

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