Operating System Processes: States and Types
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Questions and Answers

What is the primary goal of a process scheduling algorithm?

  • To maximize the number of processes running concurrently
  • To ensure fairness in the allocation of CPU resources
  • To prioritize the execution of jobs with high priority
  • To minimize idle times for the CPU (correct)

    • What is the term for the process of temporarily suspending the execution of a process and transferring the CPU to another process?

  • Process scheduling
  • Job switching
  • Context switching (correct)
  • CPU allocation

    • What is the main difference between preemptive and non-preemptive scheduling?

  • Preemptive scheduling is used for low-priority jobs, while non-preemptive scheduling is used for high-priority jobs
  • Preemptive scheduling allows for context switching, while non-preemptive scheduling does not (correct)
  • Preemptive scheduling is used for single-process systems, while non-preemptive scheduling is used for multi-process systems
  • Preemptive scheduling is used for real-time systems, while non-preemptive scheduling is used for non-real-time systems

    • What is the performance metric that measures the average percentage of the CPU that is actually used?

    <p>CPU Efficiency</p> Signup and view all the answers

    What is the term for the strategy of running a process to completion, without interruption, until it issues an I/O request or is finished?

    <p>Non-preemptive scheduling</p> Signup and view all the answers

    What is the performance metric that measures the number of jobs completed in a unit of time?

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

    What is the state of a process when it is not currently executing, but is ready to run as soon as the CPU is available?

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

    Which type of process spends more time doing I/O operations than computations?

    <p>I/O-bound</p> Signup and view all the answers

    What is the term for having multiple processes time slice on the same processor?

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

    What is the process of stopping one process and starting or restarting another process called?

    <p>Context Switch</p> Signup and view all the answers

    What is the advantage of using multiprogramming?

    <p>To increase the throughput of the system</p> Signup and view all the answers

    What is the purpose of allocating and de-allocating the processor to each process in a multiprogramming system?

    <p>To allow multiple jobs to be in the system at the same time</p> Signup and view all the answers

    What is the purpose of a context switch in process management?

    <p>To mark the place in the instructions of a process</p> Signup and view all the answers

    What is the primary responsibility of the OS in process management?

    <p>To allocate resources to processes</p> Signup and view all the answers

    What is the process of allocating system resources to many different tasks by an operating system called?

    <p>Job scheduling</p> Signup and view all the answers

    What happens when a process is interrupted?

    <p>The process is suspended and its state is saved</p> Signup and view all the answers

    What is the purpose of a job scheduler in an operating system?

    <p>To start and control jobs automatically</p> Signup and view all the answers

    What is the process of executing multiple tasks by an operating system called?

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

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