Consider a memory system with cache access time of 0.1 us and memory access time (time needed to load a word into the cache) of 1 us. If the hit ratio is 0.9, what is the average time to access a word? c) d) 0.15 us 0.19 με 0.20 μs 1.01 μs

Consider a memory system with cache access time of 0.1 us and memory access time (time needed to load a word into the cache) of 1 us. If the hit ratio is 0.9, what is the average time to access a word? c) d) 0.15 us 0.19 με 0.20 μs 1.01 μs

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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Consider a memory system with cache access time of 0.1 us and memory access time (time needed to
load a word into the cache) of 1 us. If the hit ratio is 0.9, what is the average time to access a word?
0.15 us
0.19 μs
0.20 μs
1.01 μs
c)

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