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Unit 2 · Computer System Architecture Paper 2 CS · September 2022

The number of gate inputs required to realise the expression ABC + AB′CD + EF′ + AD is

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Correct answer: D. 15

Explanation

AND-gate inputs = literals = 3 + 4 + 2 + 2 = 11; the OR gate has 4 inputs. Total = 15 (complemented inputs assumed available).

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