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MCQs

Total Questions : 36 | Page 4 of 4 pages
Question 31. Scheduling is done so as to :
  1.    increase CPU utilization
  2.    decrease CPU utilization
  3.    keep the CPU more idle
  4.    None of these
 Discuss Question
Answer: Option A. -> increase CPU utilization


None.


Question 32. The strategy of making processes that are logically runnable to be temporarily suspended is called :
  1.    Non preemptive scheduling
  2.    Preemptive scheduling
  3.    Shortest job first
  4.    First come First served
 Discuss Question
Answer: Option B. -> Preemptive scheduling


None.


Question 33. Orders are processed in the sequence they arrive if _______ rule sequences the jobs.
  1.    earliest due date
  2.    slack time remaining
  3.    first come, first served
  4.    critical ratio
 Discuss Question
Answer: Option C. -> first come, first served


None.


Question 34. There are 10 different processes running on a workstation. Idle processes are waiting for an input event in the input queue. Busy processes are scheduled with the Round-Robin time sharing method. Which out of the following quantum times is the best value for small response times, if the processes have a short run-time, e.g. less than 10ms ?
  1.    tQ = 15ms
  2.    tQ = 40ms
  3.    tQ = 45ms
  4.    tQ = 50ms
 Discuss Question
Answer: Option A. -> tQ = 15ms


None.


Question 35. Scheduling is :
  1.    allowing a job to use the processor
  2.    making proper use of processor
  3.    Both a and b
  4.    None of these
 Discuss Question
Answer: Option C. -> Both a and b


None.


Question 36. Which of the following algorithms tends to minimize the process flow time ?
  1.    First come First served
  2.    Shortest Job First
  3.    Earliest Deadline First
  4.    Longest Job First
 Discuss Question
Answer: Option B. -> Shortest Job First


None.


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