English Explanatory Dictionary

two's complement

English dictionary entry

Meanings

noun
  1. The number obtained by complementing every bit of a given number and adding one. A number and its complement add to 2ⁿ, where n is the word size of the machine.
  2. The convention by which bit patterns with high bit 0 represent positive numbers from 0 to 2ⁿ⁻¹-1 directly, while bit patterns with high bit 1 represent negative numbers from −1 to -2ⁿ⁻¹, n being the word size of the machine, and the numeric complement of a number is its two's complement.

Word forms

two's complement two's complements

Related words

complement radix complement numeric complement ones' complement signed magnitude
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