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Welcome to the Real Time Systems MCQs Page

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

Real Time Systems MCQs | Page 3 of 7

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Q21.
Real time systems need to __________ the interrupt latency.

a.

minimize

b.

maximize

c.

not bother about

d.

none of the mentioned

Discuss
Answer: (a).minimize
Q22.
The amount of time required for the scheduling dispatcher to stop one process and start another is known as ______________

a.

event latency

b.

interrupt latency

c.

dispatch latency

d.

context switch

Discuss
Answer: (c).dispatch latency
Q23.
The most effective technique to keep dispatch latency low is to :

a.

provide non preemptive kernels

b.

provide preemptive kernels

c.

make it user programmed

d.

run less number of processes at a time

Discuss
Answer: (b).provide preemptive kernels
Q24.
Priority inversion is solved by use of _____________

a.

priority inheritance protocol

b.

two phase lock protocol

c.

time protocol

d.

all of the mentioned

Discuss
Answer: (a).priority inheritance protocol
Q25.
In a real time system the computer results :

a.

must be produced withing a specific deadline period

b.

may be produced at any time

c.

may be correct

d.

all of the mentioned

Discuss
Answer: (a).must be produced withing a specific deadline period
Q26.
In a safety critical system, incorrect operation :

a.

does not affect much

b.

causes minor problems

c.

causes major and serious problems

d.

none of the mentioned

Discuss
Answer: (c).causes major and serious problems
Q27.
Antilock brake systems, flight management systems, pacemakers are examples of :

a.

safety critical system

b.

hard real time system

c.

soft real time system

d.

safety critical system and hard real time system

Discuss
Answer: (d).safety critical system and hard real time system
Q28.
In a ______ real time system, it is guaranteed that critical real time tasks will be completed within their deadlines.

a.

soft

b.

hard

c.

critical

d.

none of the mentioned

Discuss
Answer: (b).hard
Q29.
Some of the properties of real time systems include :

a.

single purpose

b.

inexpensively mass produced

c.

small size

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Q30.
The amount of memory in a real time system is generally :

a.

less compared to PCs

b.

high compared to PCs

c.

same as in PCs

d.

they do not have any memory

Discuss
Answer: (a).less compared to PCs
Page 3 of 7

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