Cpu Scheduling 2 MCQs

9 MCQs — Realtime Operating System MCQs

Practice Cpu Scheduling 2 MCQs with correct answers and explanations. These questions are from the Realtime Operating System MCQs section.

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Realtime Operating System Subcategories

Application Io Interface 1	Cpu Scheduling 1
Cpu Scheduling 2	Multimedia System Compression 2
Realtime Operating System

If the period of a process is ‘p’, then what is the rate of the task?

A. P2
B. 2*p
C. 1/p
D. P

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The scheduler admits a process using __________

A. Two phase locking protocol
B. Admission control algorithm
C. Busy wait polling
D. None of the mentioned

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The ____________ scheduling algorithm schedules periodic tasks using a static priority policy with preemption.

A. Earliest deadline first
B. Rate monotonic
C. First cum first served
D. Priority

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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

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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

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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

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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

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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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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. Can the processes be scheduled without missing the deadlines?

A. Yes
B. No
C. Maybe
D. None of the mentioned

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