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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 4 of 5

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Q31.
Under virtual storage,

a.

a single program is processed by two or more CPUs

b.

two or more programs are stored concurrently in primary storage

c.

only the active pages of a program are stored in primary storage

d.

interprogram interference may occur

Discuss
Answer: (c).only the active pages of a program are stored in primary storage
Q32.
Virtual Memory

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: (b).consists of those addresses that may be generated by a processor during execution of a computation.
Q33.
Paging is implemented in

a.

Operating System

b.

Hardware

c.

Software

d.

All of them

Discuss
Answer: (b).Hardware
Q34.
Page-Table length register (PTLR) indicates size of

a.

Page Table

b.

Paging File

c.

Main Memory

d.

Virtual Memory

Discuss
Answer: (a).Page Table
Q35.
Bring a page into memory only when it is needed is called

a.

Demand Memory

b.

Demand Paging

c.

Page Fault

d.

Page Segmentation

Discuss
Answer: (b).Demand Paging
Q36.
Which of the following is not the approach to Handling Deadlocks

a.

Deadlock Prevention

b.

Deadlock Avoidance

c.

Detect & Recover

d.

Virtual Memory

Discuss
Answer: (d).Virtual Memory
Q37.
Which scheduler selects which processes should be brought into the ready queue?

a.

Real-term

b.

Long-term

c.

Mid-term

d.

Short-term

Discuss
Answer: (b).Long-term
Q38.
Dived logical memory into blocks with the same size as frames are called

a.

Pages

b.

Frames

c.

Page Table

d.

Segmentation

Discuss
Answer: (a).Pages
Q39.
Which memory allocation policy allocate the largest hole to the process?

a.

Best-Fit

b.

Worst-Fit

c.

First-Fit

d.

None of them

Discuss
Answer: (b).Worst-Fit
Q40.
When there is enough memory to fit a process in memory, but the space is not contiguous we need

a.

Internal Fragmentation

b.

Virtual Fragmentation

c.

External Fragmentation

d.

None of them

Discuss
Answer: (c).External Fragmentation
Page 4 of 5

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