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Previous Year Question (PYQs)
3
A 2’s-complement adder–subtracter can add or subtract binary numbers.
Sign-magnitude numbers represent ______ decimal numbers, and 2’s complements stand for ______ decimal numbers.
Solution
In sign-magnitude representation, a separate sign bit is used, mainly representing positive numbers explicitly.
2’s-complement representation is primarily used to represent negative numbers in binary arithmetic.
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