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two's complement


from Wiktionary, Creative Commons Attribution/Share-Alike License

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


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