Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion Forum : Exam Questions Papers - Exam Paper 9 (Q.No. 40)
40.
To realize following function 'f',

How many minimum number of 2 input NAND gates are required?
3
6
4
10
Answer: Option
Explanation:

f1 = A B D + A B C + A B D + A B D = A D + A D = A ⊕ D

f = C D(A D + A D) + C D(A D + A D + C D A + C D A

Min number of 2 input NAND gate = 10.

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