Multiprocessing in Operating Systems
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Questions and Answers

What is the main characteristic of symmetric multiprocessing (SMP)?

  • Allows many processes to run at once without performance deterioration
  • Master processor schedules and allocates work to slave processors
  • Each processor is assigned a specific task
  • Most modern operating systems support SMP (correct)
  • What distinguishes asymmetric multiprocessing from symmetric multiprocessing?

  • Relies on distributed systems architecture
  • Allows many processes to run at once without performance deterioration
  • Supports high reliability and resource sharing
  • Each processor is assigned a specific task; master processor schedules and allocates work to slave processors (correct)
  • What advantages are associated with distributed systems?

  • Master processor scheduling and allocating work to slave processors
  • Load sharing and resource sharing (correct)
  • Symmetric multiprocessing architecture
  • Reliability and communications
  • In clustered systems, what capability is provided?

    <p>Clustering allows two or more systems to share storage</p> Signup and view all the answers

    What is the main advantage of symmetric multiprocessing (SMP)?

    <p>Increased throughput</p> Signup and view all the answers

    In a symmetric multiprocessing (SMP) system, how do processors communicate?

    <p>Through a clock and shared memory</p> Signup and view all the answers

    What type of systems benefit from symmetric multiprocessing (SMP)?

    <p>Multiprocessor systems with more than one CPU</p> Signup and view all the answers

    What is a characteristic of symmetric multiprocessing (SMP) systems?

    <p>Each processor runs an identical copy of the operating system</p> Signup and view all the answers

    What is the main program running at all times in an operating system?

    <p>Kernel</p> Signup and view all the answers

    In a multiprogrammed batch system, how is the CPU allocated among several jobs?

    <p>By multiplexing among them</p> Signup and view all the answers

    What is one of the OS features needed for multiprogramming in a batch system?

    <p>Allocation of devices</p> Signup and view all the answers

    In a time-sharing system, where are the jobs kept when not allocated to the CPU?

    <p>On external storage (disk)</p> Signup and view all the answers

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