Question discussion

A 2 GHz processor executes a program of 4 × 10⁹ instructions with an average CPI of 1.5. What is the CPU execution time?

1158Medium DSSSB TGT Computer Science 0 replies 1 views

Correct answer: A

Explanation

CPU time = instruction count × CPI / clock rate = 4 × 10⁹ × 1.5 / (2 × 10⁹) = 3 s.

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