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The involution of A is equal to _________

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The involution of A is equal to _________

(a) A

(b) A’

(c) 1

(d) 0

This question was posed to me during an interview.

I would like to ask this question from Boolean Logic Operations topic in portion Boolean Algebra and Minimization Techniques and Logic Gates of Digital Circuits

1 Answer

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Best answer
Correct option is (a) A

Best explanation: The involution of A means double inversion of A (i.e. A”) and is equal to A.

Proof:  ((A)’)’ = A

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