Question: Assume program execution time consists of 6 0 % CPU time and 4 0 % memory time that do not overlap. Which is a better

Assume program execution time consists of 60% CPU time and 40%
memory time that do not overlap. Which is a better enhancement for the overall
performance and why?
(a) Improve the CPU speed by 100%
(b) Reducing the memory access time by 4 times

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