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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 5 of 7

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Q41.
If there are a total of T = 100 shares to be divided among three processes, A, B and C. A is assigned 50 shares, B is assigned 15 shares and C is assigned 20 shares. If a new process D requested 30 shares, the admission controller would :

a.

allocate 30 shares to it

b.

deny entry to D in the system

c.

all of the mentioned

d.

none of the mentioned

Discuss
Answer: (b).deny entry to D in the system
Q42.
To schedule the processes, they are considered _________

a.

infinitely long

b.

periodic

c.

heavy weight

d.

light weight

Discuss
Answer: (b).periodic
Q43.
If the period of a process is ‘p’, then the rate of the task is :

a.

p^2

b.

2*p

c.

1/p

d.

p

Discuss
Answer: (c).1/p
Q44.
The scheduler admits a process using :

a.

two phase locking protocol

b.

admission control algorithm

c.

busy wait polling

d.

none of the mentioned

Discuss
Answer: (c).busy wait polling
Q45.
The ____________ scheduling algorithm schedules periodic tasks using a static priority policy with preemption.

a.

earliest deadline first

b.

rate monotonic

c.

first come first served

d.

priority

Discuss
Answer: (b).rate monotonic
Q46.
Rate monotonic scheduling assumes that the :

a.

processing time of a periodic process is same for each CPU burst

b.

processing time of a periodic process is different for each CPU burst

c.

periods of all processes is the same

d.

none of the mentioned

Discuss
Answer: (a).processing time of a periodic process is same for each CPU burst
Q47.
In rate monotonic scheduling, a process with a shorter period is assigned :

a.

a higher priority

b.

a lower priority

c.

higher & lower priority

d.

none of the mentioned

Discuss
Answer: (a).a higher priority
Q48.
There are two processes P1 and P2, whose periods are 50 and 100 respectively. P1 is assigned higher priority than P2. The processing times are t1 = 20 for P1 and t2 = 35 for P2. Is it possible to schedule these tasks so that each meets its deadline using Rate monotonic scheduling ?

a.

yes

b.

no

c.

maybe

d.

none of the mentioned

Discuss
Answer: (a).yes
Q49.
If a set of processes cannot be scheduled by rate monotonic scheduling algorithm, then :

a.

they can be scheduled by EDF algorithm

b.

they cannot be scheduled by EDF algorithm

c.

they cannot be scheduled by any other algorithm

d.

none of the mentioned

Discuss
Answer: (c).they cannot be scheduled by any other algorithm
Q50.
Can the processes in the previous question be scheduled without missing the deadlines ?

a.

Yes

b.

No

c.

Maybe

d.

None of the mentioned

Discuss
Answer: (b).No
Page 5 of 7

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