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Welcome to the Introduction to Operating Systems MCQs Page

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

Introduction to Operating Systems MCQs | Page 52 of 54

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Q511.
Which mode bit is used to indicate kernel mode

a.

0

b.

1

c.

2

d.

3

Discuss
Answer: (a).0
Q512.
Which mode bit is used to indicate user mode

a.

-1

b.

1

c.

3

d.

5

Discuss
Answer: (b).1
Q513.
A buffer where the data will be read into and written from is

a.

LPVOID Buffer

b.

LPOut Buffer

c.

LPIN Buffer

d.

LBLOCK Buffer

Discuss
Answer: (a).LPVOID Buffer
Q514.
The number of bytes read during the last read is known as _______ bytesRead

a.

HANDLE

b.

DWORD

c.

LPDWORD

d.

LPOVERLAPPED

Discuss
Answer: (c).LPDWORD
Q515.
A control card is a ________ system concept

a.

time-sharing

b.

network

c.

batch

d.

distributed

Discuss
Answer: (c).batch
Q516.
There are two types of interproccess communication, _________ and __________

a.

message receiving, dedicated memory

b.

message passing,shared memory

c.

information sharing, primary memory

d.

message passing, dedicated memory

Discuss
Answer: (b).message passing,shared memory
Q517.
When the instructions are being executed, this state is known as

a.

New

b.

Ready

c.

Waiting

d.

Running

Discuss
Answer: (d).Running

Q518.
The list of processes waiting for a particular I/0 device is called a

a.

Device list

b.

Device pool

c.

Device queue

d.

Device state

Discuss
Answer: (c).Device queue
Q519.
Long term scheduler are also known as

a.

CPU scheduler

b.

Job scheduler

c.

Device scheduler

d.

Event scheduler

Discuss
Answer: (b).Job scheduler
Q520.
When a process terminates then all its children must also be terminated. This phenomenon is called

a.

Progressive termination

b.

Recursive termination

c.

Cascading termination

d.

Followup termination

Discuss
Answer: (c).Cascading termination
Page 52 of 54

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