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Description Q1-Consider having the following reference string: 6 9 9 0 1 2 2 11 3 6 1 0 6 8 1 2 6 Use FIFO, OPT, LRU page replacement algorithms and

May 25, 2024

Description

Q1-Consider having the following reference string:

6 9 9 0 1 2 2 11 3 6 1 0 6 8 1 2 6

Use FIFO, OPT, LRU page replacement algorithms and compare between them based on page faults, knowing that 4 pages can be in memory at a time per process.

Q2-Using below disk scheduling algorithms, illustrate the request queue (0-199) and compare between them.

99, 61, 112, 145, 23, 45, 65

Knowing that the Head pointer starts at 122.

FCFS
SCAN
C-SCAN
Q3-What are the types of memory fragmentation? How it could happen? and what is the worst dynamic memory allocation that can increase it?

College of Computing and Informatics
Assignment #
Deadline: Day 05/05/2024 @ 23:59
[Total Mark for this Assignment is 8]
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• You must submit two separate copies (one Word file and one PDF file) using the Assignment Template on
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Restricted – ‫مقيد‬
Question One
Pg. 01
Learning
Outcome(s):
Instructors: State
the Learning
Outcome(s) that
match this
question
Restricted – ‫مقيد‬
Question One
3 Marks
Consider having the following reference string:
6 9 9 0 1 2 2 11 3 6 1 0 6 8 1 2 6
Use FIFO, OPT, LRU page replacement algorithms and compare between them
based on page faults, knowing that 4 pages can be in memory at a time per process
Question Two
Pg. 02
Learning
Outcome(s):
Question Two
3 Marks
Using below disk scheduling algorithms, illustrate the request queue (0-199) and compare
Instructors: State
the Learning
Outcome(s) that
match this
question
between them.
99, 61, 112, 145, 23, 45, 65
Knowing that the Head pointer starts at 122.
1. FCFS
2. SCAN
3. C-SCAN
Restricted – ‫مقيد‬
Question Three
Pg. 03
Learning
Outcome(s):
Question Three
2 Marks
What are the types of memory fragmentation? How it could happen? and what is the worst
Instructors: State
the Learning
Outcome(s) that
match this
question
Restricted – ‫مقيد‬
dynamic memory allocation that can increase it?

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