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Substantiivi

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