
OS Final Exam 2025
Quiz
•
Computers
•
University
•
Practice Problem
•
Easy
Ulbibi Otarbay
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given 3 page frames and the reference string: 7 0 1 2 0 3 0 4 2 3 0 3 2 1 2 0 1 7 0 1, how many page faults will occur using the LRU page replacement algorithm?
10
12
9
15
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Using the same reference string and 3 page frames, how many page faults will the Optimal page replacement algorithm produce?
12
10
9
14
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the given reference string and 3 page frames, how many page faults occur with the FIFO page replacement algorithm?
15
12
9
10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not considered a main structural component of a computer system?
Processor
Main memory
Operating system
I/O modules
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component of a computer system is responsible for storing data and programs?
System bus
Processor
I/O modules
Main memory
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following provides for communication among elements of a computer system?
Main memory
Processor
System bus
Control unit
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following element of a computer system moves data between the computer and its external environment?
Processor
I/O modules
Main memory
ALU
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