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How many AND gates are required to realize the following expression Y=AB+BC?

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How many AND gates are required to realize the following expression Y=AB+BC?

(a) 4

(b) 8

(c) 1

(d) 2

I had been asked this question in class test.

My enquiry is from Universal Gates in section Boolean Algebra and Logic Circuits of Computer Fundamentals

1 Answer

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Correct choice is (d) 2

Explanation: 2 AND gates are required to realize the expression.

1 AND gate will be used to connect the inputs A and B whereas the other will be used to connect the inputs B and C.

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