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Welcome to the Linux System MCQs Page

Dive deep into the fascinating world of Linux System with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Linux System, a crucial aspect of Operating System. In this section, you will encounter a diverse range of MCQs that cover various aspects of Linux System, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Operating System.

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Check out the MCQs below to embark on an enriching journey through Linux System. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Operating System.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Linux System. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Linux System MCQs | Page 9 of 31

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Q81.
When a program tries to access a page that is mapped in address space but not loaded in physical memory, then

a.

segmentation fault occurs

b.

fatal error occurs

c.

page fault occurs

d.

no error occurs

Discuss
Answer: (c).page fault occurs
Q82.
Effective access time is directly proportional to

a.

page-fault rate

b.

hit ratio

c.

memory access time

d.

none of the mentioned

Discuss
Answer: (a).page-fault rate
Q83.
In FIFO page replacement algorithm, when a page must be replaced

a.

oldest page is chosen

b.

newest page is chosen

c.

random page is chosen

d.

none of the mentioned

Discuss
Answer: (a).oldest page is chosen
Q84.
Which algorithm chooses the page that has not been used for the longest period of time whenever the page required to be replaced?

a.

first in first out algorithm

b.

additional reference bit algorithm

c.

least recently used algorithm

d.

counting based page replacement algorithm

Discuss
Answer: (c).least recently used algorithm
Q85.
A process is thrashing if

a.

it is spending more time paging than executing

b.

it is spending less time paging than executing

c.

page fault occurs

d.

swapping can not take place

Discuss
Answer: (a).it is spending more time paging than executing
Q86.
Working set model for page replacement is based on the assumption of

a.

modularity

b.

locality

c.

globalization

d.

random access

Discuss
Answer: (b).locality
Q87.
Virtual memory allows :

a.

execution of a process that may not be completely in memory

b.

a program to be smaller than the physical memory

c.

a program to be larger than the secondary storage

d.

execution of a process without being in physical memory

Discuss
Answer: (a).execution of a process that may not be completely in memory
Q88.
The instruction being executed, must be in :

a.

physical memory

b.

logical memory

c.

physical & logical memory

d.

none of the mentioned

Discuss
Answer: (b).Virtual memory
Q89.
Error handler codes, to handle unusual errors are :

a.

almost never executed

b.

executed very often

c.

executed periodically

d.

none of the mentioned

Discuss
Answer: (a).almost never executed
Q90.
The ability to execute a program that is only partially in memory has benefits like :

a.

The amount of physical memory cannot put a constraint on the program

b.

Programs for an extremely large virtual space can be created

c.

Throughput increases

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Page 9 of 31

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