ones' complement

Fetched 2026-10-26 (cache).

Synonyms: ones complement

Antonyms: ones complement

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|computing}} The number obtained by subtracting a given ''n''-digit binary number from <math>2^n - 1</math> (which yields the same result as the [[logical complement]]).
2. {{lb|en|computing}} The convention by which bit patterns with [[high bit]] 0 represent positive numbers from 0 to <math>2^{n-1} - 1</math> directly, while bit patterns with high bit 1 represent negative numbers from 0 to <math>-(2^{n-1} - 1)</math>, ''n'' being the [[word]] [[size]] of the machine, and the [[numeric complement]] of a number is its ones' complement.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.