Realtime Operating System MCQs

39 MCQs  (Page 3 of 4)

Attempt Realtime Operating System Quiz
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
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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
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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
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Some of the properties of real time systems include ____________
A. Single purpose
B. Inexpensively mass produced
C. Small size
D. All of the mentioned
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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
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What is 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
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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
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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
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Earliest deadline first algorithm assigns priorities according to ____________
A. Periods
B. Deadlines
C. Burst times
D. None of the mentioned
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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. 0.9
B. 0.74
C. 0.94
D. 0.8
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Word of the Day
12 Jul
Obdurate
stubbornly refusing to change one’s opinion or course of action.
ضدی، بدکار، سنگدلی

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