To add two m-bit numbers, the required number of half adders is ?

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Neelam Mittal

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📊 Digital Electronics and Logic Design

Q. To add two m-bit numbers, the required number of half adders is ?

(A) 2m-1
(B) 2^m-1
(C) 2m +1
(D) 2 m

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✅ Correct Answer: (A) 2m-1

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