Nonpreemptive vs Preemptive Scheduling in Operating Systems
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Nonpreemptive vs Preemptive Scheduling in Operating Systems

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Questions and Answers

What is responsible for selecting processes from scheduling queues for execution?

  • Job scheduler
  • CPU scheduler
  • Device queue
  • Short-term scheduler (correct)

    • Which scheduler must select a new process for the CPU frequently?

  • Device queue
  • Long-term scheduler
  • Short-term scheduler (correct)
  • Job scheduler

    • What is the primary distinction between the long-term and short-term schedulers?

  • Disk allocation
  • Process creation
  • Frequency of execution (correct)
  • Device queue management

    • Where are processes kept for later execution in a batch system?

    <p>Mass-storage device</p> Signup and view all the answers

    Which type of scheduler can afford to take more time to decide which process should be selected for execution?

    <p>Long-term scheduler</p> Signup and view all the answers

    What is the role of the long-term scheduler in the process hierarchy?

    <p>Loading processes into memory for execution</p> Signup and view all the answers

    How frequently does the short-term scheduler typically execute in a batch system?

    <p>At least once every 100 milliseconds</p> Signup and view all the answers

    What is the distinguishing factor between I/O bound and CPU bound processes?

    <p>Resource usage pattern</p> Signup and view all the answers

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