# Minimization Techniques – 20

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20. Which of the following is an important feature of the sum-of-products (SOP) form of expression?

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

Explanation
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