Logic Gates – 7

7. A lamp is controlled from two position A and B (e.g., stair case circuit). The Boolean expression for the above circuit is :

(a)  AB’+A’B
(b)  AB+A’B’
(c)  A’B+A’B’
(d)  AB’+AB

Answer : (a)

Explanation : No answer description available for this question. Let us discuss.

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