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Process Scheduling and Device Queues
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Process Scheduling and Device Queues

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@PromisingSitar

Questions and Answers

What is the primary function of an operating system in a Batch Processing system?

  • Execute multiple programs simultaneously
  • Transfer control from one job to the next (correct)
  • Monitor the memory usage of each program
  • Allocate resources to jobs in the system

    • How did the operating system handle I/O requests in the context of Batch Processing?

  • Handle I/O requests sequentially based on job priorities
  • Queue I/O requests and execute them after job completion (correct)
  • Delay I/O requests until all jobs complete execution
  • Perform I/O requests concurrently with job execution

    • Which abstract resource may lead a process to be blocked if unavailable?

  • Main memory
  • Secondary storage
  • External device (correct)
  • CPU time

    • What is the purpose of having multiple program counters per process in a system that supports threads?

    <p>To ensure each thread can have its own program counter for independent execution</p> Signup and view all the answers

    What is the primary objective of time sharing in a multiprogramming system?

    <p>To maximize CPU utilization by keeping multiple processes running simultaneously</p> Signup and view all the answers

    How are processes managed as they enter a system that supports multiprogramming?

    <p>Put into a job queue consisting of all processes in the system</p> Signup and view all the answers

    What role does the ready queue header play in managing processes?

    <p>Contains pointers to the first and final PCBs in the list</p> Signup and view all the answers

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