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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 4 of 7

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Q31.
The priority of a real time task :

a.

must degrade over time

b.

must not degrade over time

c.

may degrade over time

d.

none of the mentioned

Discuss
Answer: (b).must not degrade over time
Q32.
Memory management units :

a.

increase the cost of the system

b.

increase the power consumption of the system

c.

increase the time required to complete an operation

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Q33.
The technique in which the CPU generates physical addresses directly is known as :

a.

relocation register method

b.

real addressing

c.

virtual addressing

d.

none of the mentioned

Discuss
Answer: (b).real addressing
Q34.
Earliest deadline first algorithm assigns priorities according to :

a.

periods

b.

deadlines

c.

burst times

d.

none of the mentioned

Discuss
Answer: (b).deadlines
Q35.
A process P1 has a period of 50 and a CPU burst of t1 = 25, P2 has a period of 80 and a CPU burst of 35. The total CPU utilization is :

a.

0.90

b.

0.74

c.

0.94

d.

0.80

Discuss
Answer: (c).0.94
Q36.
Using EDF algorithm practically, it is impossible to achieve 100 percent utilization due to :

a.

the cost of context switching

b.

interrupt handling

c.

power consumption

d.

all of the mentioned

Discuss
Answer: (a).the cost of context switching
Q37.
T shares of time are allocated among all processes out of N shares in __________ scheduling algorithm.

a.

rate monotonic

b.

proportional share

c.

earliest deadline first

d.

none of the mentioned

Discuss
Answer: (b).proportional share
Q38.
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. A will have ______ percent of the total processor time.

a.

20

b.

15

c.

50

d.

none of the mentioned

Discuss
Answer: (c).50
Q39.
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. B will have ______ percent of the total processor time.

a.

20

b.

15

c.

50

d.

none of the mentioned

Discuss
Answer: (b).15
Q40.
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. C will have ______ percent of the total processor time.

a.

20

b.

15

c.

50

d.

none of the mentioned

Discuss
Answer: (a).20
Page 4 of 7

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