If memory access time is 200 nanoseconds and average page-fault service time is 8 milliseconds, and you want to achieve a performance loss of less than 20%, how many memory accesses must a page fault occur?

If memory access time is 200 nanoseconds and average page-fault service time is 8 milliseconds, and you want to achieve a performance loss of less than 20%, how many memory accesses must a page fault occur?

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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Computer Fundamentals

The computer is termed computation. For calculating or computing something the device that has been used is known as the computer. Or we can say that for performing a fast arithmetic operation the device that has been used is a computer. Storing, processing, and retrieving are the main features of a computer. 

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If memory access time is 200 nanoseconds and average page-fault service time is 8 milliseconds, and you want
to achieve a performance loss of less than 20%, how many memory accesses must a page fault occur?

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