Why do we prefer 2s complement over 1s complement ?

Why do we prefer 2s complement over 1s complement ? Reason for this ?

Your Answer

No overflow : 1's complement has no special usage for negative integers. 2's complement makes sense because it can be used in natural addition and subtraction arithmetic without any need to change the bits. Providing that no overflow occurs, the sign bit of the result is just the right value.

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