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Welcome to the CPU Scheduling MCQs Page

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

CPU Scheduling MCQs | Page 13 of 14

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Q121.
Throughput of a system is

a.

Number of programs processed by it per unit time

b.

Number of times the program is invoked by the system

c.

Number of requests made to a program by the system

d.

None of the above

Discuss
Answer: (a).Number of programs processed by it per unit time
Q122.
Round robin scheduling is essentially the preemptive version of ...........

a.

first in first out

b.

shortest job first

c.

shortest remaining

d.

longest time first

Discuss
Answer: (a).first in first out
Q123.
The process that are residing in the main memory and are waiting to execute are kept on a list called the ............

a.

job queue

b.

ready queue

c.

wait queue

d.

device queue

Discuss
Answer: (b).ready queue
Q124.
Special software to create a job queue is called a

a.

Drive

b.

Spooler

c.

Interpreter

d.

Linkage editor

Discuss
Answer: (b).Spooler
Q125.
The strategy of allowing processes that are logically runnable to be temporarily suspended is called

a.

preemptive scheduling

b.

non preemptive scheduling

c.

shortest job first

d.

first come first served

Discuss
Answer: (a).preemptive scheduling
Q126.
The FIFO algorithm

a.

executes first the job that last entered the queue

b.

executes first the job that first entered the queue

c.

execute first the job that has been in the queue the longest

d.

executes first the job with the least processor needs

Discuss
Answer: (b).executes first the job that first entered the queue
Q127.
The CPU, after receiving an interrupt from an I/O device

a.

halts for a predetermined time

b.

hands over control of address bus and data bus to the interrupting device

c.

branches off to the interrupt service routine immediately

d.

branches off to the interrupt service routine after completion of the current instruction

Discuss
Answer: (d).branches off to the interrupt service routine after completion of the current instruction
Q128.
Seeks analysis

a.

is used for analyzing paging problems

b.

is used for analyzing device busy problems

c.

is used for analyzing control-unit busy problems

d.

is only shown on real-time displays

Discuss
Answer: (b).is used for analyzing device busy problems
Q129.
The dispatcher

a.

actually schedules the tasks into the processor

b.

puts tasks in I/O wait

c.

is always small and simple

d.

never changes task priorities

Discuss
Answer: (a).actually schedules the tasks into the processor
Q130.
The SJF algorithm executes first the job

a.

that last entered the queue

b.

that first entered the queue

c.

that has been in the queue the longest

d.

with the least processor needs

Discuss
Answer: (d).with the least processor needs
Page 13 of 14

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