A system uses 3 page frames for storing process pages in main memory. It uses the page replacement policy where it replaces the page that has not been referred by the CPU for the longest time . Assume that all the page frames are initially empty. What is the total number of page faults that will occur while processing the page reference string given below- 4 , 7, 6, 1, 2,7, 6, 1, 2, 7, 2,4,7,1,6Also calculate the hit ratio , miss ratio, page faults, page fault rate. (B)- A system uses 3 page frames for storing process pages in main memory. It usesthe page replacement policy where it replaces the page that has not been referred bythe CPU for the longest time . Assume that all the page frames are initially empty.What is the total number of page faults that will occur while processing the pagereference string given below-4,7,6, 1,2,7, 6, 1, 2,7, 2,4,7,1,6Also calculate the hit ratio , miss ratio, page faults, page fault rate.

In page replacement policy algorithm, pages are replaced which would not be used for the longest…

Answered: A system uses 3 page frames for storing…

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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A system uses 3 page frames for storing process pages in main memory. It uses the page replacement policy where it replaces the page that has not been referred by the CPU for the longest time . Assume that all the page frames are initially empty. What is the total number of page faults that will occur while processing the page reference string given below- 4 , 7, 6, 1, 2,7, 6, 1, 2, 7, 2,4,7,1,6

Also calculate the hit ratio , miss ratio, page faults, page fault rate.

(B)- A system uses 3 page frames for storing process pages in main memory. It uses
the page replacement policy where it replaces the page that has not been referred by
the CPU for the longest time . Assume that all the page frames are initially empty.
What is the total number of page faults that will occur while processing the page
reference string given below-
4,7,6, 1,2,7, 6, 1, 2,7, 2,4,7,1,6
Also calculate the hit ratio , miss ratio, page faults, page fault rate.

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