A full-adder can be implemented with half-adders and OR gates. A 4-bit – McqOptions

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1.	A full-adder can be implemented with half-adders and OR gates. A 4-bit parallel full adder without any initial carry requires
A.	8 half-adders,4-OR gates
B.	8 half-adders, 3-OR gates
C.	7 half-adders, 4-OR gates
D.	7 half-adders, 3-OR gates
Answer» E.

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