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Word: two's complement (lookup usage) (lookup stats)


Meaning:

Noun:

  • computing The convention by which bit patterns with high bit 0 represent positive numbers from 0 to 2^{n-1} - 1 directly, while bit patterns with high bit 1 represent negative numbers from -1 to -2^{n - 1}, ''n'' being the word size of the machine, and the numeric complement of a number is its two's complement.
  • computing 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.

Source: Wiktionary | Src Info »