
MCQ - Operating Systems & Architecture
Authored by Sheri Olzh.
Information Technology (IT)
University
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83 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For 3 page frames, the following is 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 does the LRU page replacement algorithm produce (including page faults when the frames were free)?
11
10
13
12
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For 3 page frames, the following is 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 does the Optimal page replacement algorithm produce (including page faults when the frames were free)?
11
9
8
10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For 3 page frames, the following is 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 does the FIFO page replacement algorithm produce (including page faults when the frames were free)?
14
13
16
15
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is not a main structural element of a computer system?
I/O modules
Main memory
Operating system
Processor
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following element of a computer system stores data and programs?
I/O modules
Processor
Main memory
System bus
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following provides for communication among elements of a computer system?
Main memory
System bus
AC
Processor
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?
Main memory
Registers
System bus
I/O modules
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