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__________ is a disjunctive normal form.

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__________ is a disjunctive normal form.

(a) product-of-sums

(b) product-of-subtractions

(c) sum-of-products

(d) sum-of-subtractions

I have been asked this question by my school teacher while I was bunking the class.

The query is from Boolean Functions topic in portion Boolean Algebra and Modeling Computations of Discrete Mathematics

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The correct answer is (c) sum-of-products

The best I can explain: The sum of minterms that represents the function is called the sum-of-products expansion or the disjunctive normal form. A Boolean sum of minterms has the value 1 when exactly one of the minterms in the sum has the value 1. It has the value 0 for all other combinations of values of the variables.

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