What is the meaning of Ones'_complement?
The number obtained by subtracting a given n-digit binary number from (which yields the same result as the logical complement).
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 0 to , n being the word size of the machine, and the numeric complement of a number is its ones' complement.
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