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What hit ratio is required to reduce the effective memory access time, from 200 nsecs to 140 nsecs, if the cache access time is 20 nsec?

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter6: System Integration And Performance

Section: Chapter Questions

Problem 22VE

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What hit ratio is required to reduce the effective memory access time, from 200 nsecs to 140 nsecs, if the cache access time is 20 nsec?

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