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Related to binary arithmetic and number system - Base-2 system which represents numeric values using two symbols 0(zero) and 1(one). Use `boolean` tag for logical operations related questions that does not involve binary arithmetic.

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How to know when the resault of subtraction is incorrect in a 4 bit binary subtraction circuit? [closed]

This is an image of a binary subtractor for unsigned numbers. … Some times the output of binary subtraction is not correct and needs to be complemented to give the correct answer, how can I find out when those times are? …
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