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Which of the following is an important feature of the sum-of-products form of expressions?

(a) All logic circuits are reduced to nothing more than simple AND and OR operations

(b) The delay times are greatly reduced over other forms

(c) No signal must pass through more than two gates, not including inverters

(d) The maximum number of gates that any signal must pass through is reduced by a factor of two

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Question is taken from K-Map Simplification in section Arithmetic Circuits of Digital Circuits

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Correct option is (a) All logic circuits are reduced to nothing more than simple AND and OR operations

To explain: An important feature of the sum-of-products form of expressions in the given option is that all logic circuits are reduced to nothing more than simple AND and OR operations. Sum Of Product means it is the sum of product terms containing variables in complemented as well as uncomplemented forms.

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