Given a reference string and four different page replacement algorithms, each of the following lists the number of page faults that occur for each page replacement algorithm, assuming one, two, three, four, five, six, and seven frames, respectively. Which exhibits Belady's anomaly? Select all that apply. 20 18 14 15 12 10 9 20 18 16 14 1098 20 18 13 12 10 9 10 20 18 15 12 1198 JO00

Given a reference string and four different page replacement algorithms, each of the following lists the number of page faults that occur for each page replacement algorithm, assuming one, two, three, four, five, six, and seven frames, respectively. Which exhibits Belady's anomaly? Select all that apply. 20 18 14 15 12 10 9 20 18 16 14 1098 20 18 13 12 10 9 10 20 18 15 12 1198 JO00

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 computer has 30 physical page frame initially contains page number 201 through 230. Now a program accesses the pages number 1, 2, 3 ... 50 in same order and repeat the sequence thrice. What is the number page hits if optimal page replacement is used?
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