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GATE | Sudo GATE 2020 Mock I (27 December 2019) | Question 59
Consider the following statements regarding implementations of half-adder and half-subtractor:
- Total 5 NAND gates are required to implement half adder and 5 NAND gates are required to implement half subtractor.
- Total 5 NAND gates are required to implement half adder and 5 NOR gates are required to implement half subtractor.
- Total 5 NOR gates are required to implement half adder and 5 NAND gates are required to implement half subtractor.
- Total 5 NOR gates are required to implement half adder and 5 NOR gates are required to implement half subtractor.
(A)
Only 1, 2 and 3 are correct
(B)
Only 2 and 3 are correct
(C)
Only 1 and 4 are correct
(D)
All 1, 2, 3, and 4 are correct
Answer
Please comment below if you find anything wrong in the above post
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