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s to frames. b. )increase the page fault rate. c.) decrease the page fault rate.

s to frames. b. )increase the page fault rate. c.) decrease the page fault rate.

Database System Concepts
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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1. The purpose of creating various page replacement algorithms is to:

a.) to allocate pages to frames.
b. )increase the page fault rate.
c.) decrease the page fault rate.
d.) replace pages faster.
 
2. Optimal page replacement algorithm is difficult to implement, because it:
 
a.) requires a lot of information.
b.) is extremely expensive.
c.) requires future knowledge of reference string.
d.) is too complex.
 
3. LRU page replacement algorithm associates with each page the:
a.) page that has the least count.
b.) time of that page 's last use
c.) time it was brought into memory.
d.) page that will not be used.
 
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