In the following, digital circuit, what will be the output at ‘Z’, when the input (A, B) are (1, 0), (0, 0), (1, 1), (0, 1):
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a
0, 0, 1, 0
b
0, 1, 0, 0
c
1, 1, 0, 1
d
1, 0, 1, 1
answer is A.
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Detailed Solution
C=A¯.B¯D = A + BE = CDZ=C+E¯ Now we will check for each inputFor A = 1, C = 1 Z = 0 B = 0 D = 1 E = 1For A = 0 C = 1 Z = 0 B = 0 D = 0 E = 0For A = 1 C = 0 Z = 1 B = 1 D = 1 E = 0For A = 0 C = 1 Z = 0 B = 0 D = 0 E = 0