1.

A digital circuit which compares two numbers A3 A2A1 A0 and B3 B2 B1 B0 is shown below. To get the output X = 0, choose one pair of correct input numbers

A. 1010, 1010
B. 0101, 0101
C. 0010, 0010
D. 1010, 1011
Answer» E.


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