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Welcome to the Virtual Memory MCQs Page

Dive deep into the fascinating world of Virtual Memory with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Virtual Memory, a crucial aspect of Operating System. In this section, you will encounter a diverse range of MCQs that cover various aspects of Virtual Memory, 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 Virtual Memory. 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 Virtual Memory. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Virtual Memory MCQs | Page 3 of 5

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Q21.
A set of techniques that allow to execute a program which is not entirely in memory is called

a.

demand paging

b.

virtual memory

c.

auxiliary memory

d.

secondary memory

Discuss
Answer: (b).virtual memory
Q22.
Page fault frequency in an operating system is reduced when the

a.

processes tend to the I/O-bound

b.

size of pages is reduced

c.

processes tend to be CPU-bound

d.

locality of reference is applicable to the process

Discuss
Answer: (d).locality of reference is applicable to the process
Q23.
Virtual memory can be implemented with

a.

Segmentation

b.

Paging

c.

None of the above

d.

Both of the above

Discuss
Answer: (d).Both of the above
Q24.
A process that execute only in main memory is referred to as ……………… and that allocated in disk is referred to a …………….

a.

virtual memory, true memory

b.

virtual memory, real memory

c.

real memory, virtual memory

d.

imaginary memory, real memory

Discuss
Answer: (c).real memory, virtual memory
Q25.
Thrashing

a.

is a natural consequences of virtual memory system

b.

can always be avoided by swapping

c.

always occurs on large computers

d.

can be caused by poor paging algorithms

Discuss
Answer: (d).can be caused by poor paging algorithms
Q26.
Which is not true about the memory management?

a.

virtual memory is used in multi-user system

b.

segmentation suffers from external fragmentation

c.

paging suffers from internal fragmentation

d.

segmented memory can be paged

Discuss
Answer: (a).virtual memory is used in multi-user system
Q27.
In virtual memory systems, Dynamic address translation

a.

is the hardware necessary to implemented paging

b.

stores pages at a specifies location on disk

c.

is useless when swapping is used

d.

is part of the operating system paging algorithm

Discuss
Answer: (a).is the hardware necessary to implemented paging
Q28.
The principle of locality of reference justifies the use of

a.

reenterable

b.

non reusable

c.

virtual memory

d.

cache memory

Discuss
Answer: (d).cache memory
Q29.
Which of the following is not true about the memory management?

a.

virtual memory is used only in multi-user systems

b.

segmentation suffers from external fragmentation

c.

paging suffers from internal fragmentation

d.

segmented memory can be paged

Discuss
Answer: (a).virtual memory is used only in multi-user systems
Q30.
Paging

a.

is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.

b.

consists of those addresses that may be generated by a processor during execution of a computation.

c.

is a method of allocating processor time.

d.

allows multiple programs to reside in separate areas of core at the time.

Discuss
Answer: (a).is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
Page 3 of 5

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