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← JEE Main 2016 · 10 Apr · Shift 1
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JEE Main 2016 · 10 Apr · Shift 1, Physics question 23

To get an output of 1 from the circuit shown in figure the input must be :

Inputs a and b feed an OR gate; its output and input c feed an AND gate whose output is Y.
Choose one option
Answer and worked solution

Official answer: C

Y=(a+b)⋅cY=(a+b)\cdot c. Y = 1 needs c = 1 and at least one of a, b equal to 1: (3).

Topics:Logic gates
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