Question 21A CPU is equipped with a cache; Accessing a word takes 20 clock cycles if the data is not in the cache and 5 clock cycles if the data is in the cache.What should be the hit ratio if the effective memory access time is 8 clock cycles?O 95%O 70%O None of themO 80%O 90%Question 22A CPU is equipped with a cache; Accessing a word takes 20 clock cycles if the data is not in the cache and 5 clock cycles if the data is in the cache.What is the effective memory access time in clock cycles if the hit ratio is 90%?O 6.5O 6.4O None of themO 6.3O 6.2

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A CPU is equipped with a cache; Accessing a word takes 20 clock cycles if the data is not in the cache and 5 clock cycles if the data is in the cache. What should be the hit ratio if the effective memory access time is 8 clock cycles? 95% O 70% None of them 80% - 90% Question 22 A CPU is equipped with a cache; Accessing a word takes 20 clock cycles if the data is not in the cache and 5 clock cycles if the data is in the cache. What is the effective memory access time in clock cycles if the hit ratio is 90%? O 6.5 O 6.4 None of them 6.3 6.2

A CPU is equipped with a cache; Accessing a word takes 20 clock cycles if the data is not in the cache and 5 clock cycles if the data is in the cache. What should be the hit ratio if the effective memory access time is 8 clock cycles? 95% O 70% None of them 80% - 90% Question 22 A CPU is equipped with a cache; Accessing a word takes 20 clock cycles if the data is not in the cache and 5 clock cycles if the data is in the cache. What is the effective memory access time in clock cycles if the hit ratio is 90%? O 6.5 O 6.4 None of them 6.3 6.2

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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