Operating System Process States
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Questions and Answers

What does the 'New' state of a process signify?

  • The process is being executed.
  • The process has finished execution.
  • The process is being created. (correct)
  • The process is waiting for a resource.
  • In which state is a process when it is actively executing instructions?

  • Ready
  • Terminated
  • Running (correct)
  • Waiting
  • When a process is waiting for an I/O operation to complete, which state is it in?

  • Ready
  • New
  • Terminated
  • Waiting (correct)
  • What characterizes the 'Ready' state of a process?

    <p>It is waiting to be assigned to a processor.</p> Signup and view all the answers

    How many processes can be in the 'Running' state at any given time on a processor?

    <p>Only one process can be running.</p> Signup and view all the answers

    What type of information is contained within a process control block (PCB)?

    <p>The process state, program counter, CPU registers, and more.</p> Signup and view all the answers

    Which of the following is NOT typically included in a process control block?

    <p>User interface elements</p> Signup and view all the answers

    What purpose does the program counter serve within a PCB?

    <p>It indicates the address of the next instruction to be executed.</p> Signup and view all the answers

    When an interrupt occurs, what must be saved for the process to continue correctly afterward?

    <p>Program counter and CPU registers</p> Signup and view all the answers

    Which piece of information in the PCB helps in managing the scheduling of processes?

    <p>CPU-scheduling information</p> Signup and view all the answers

    Study Notes

    Process States:

    • 'New' State: A process in the 'New' state is newly created and not yet ready to be executed. It hasn't been assigned any system resources like memory or CPU time. Imagine it as a newly created file on your computer, it's there, but not yet used.

    • 'Running' State: A process in the 'Running' state is actively executing instructions on the CPU. It's the only state where the process is performing computations and making progress. Picture it as a program window that's open and doing work.

    • 'Waiting' State: A process in the 'Waiting' state is waiting for a specific event to occur, typically an I/O operation like reading from a disk or receiving data from a network. It's paused and waiting for resources to become available. Think of it as a downloaded file waiting to be unzipped. It's there, but needs something to complete before being accessed.

    • 'Ready' State: A process in the 'Ready' state is ready to execute and waiting for a time slot on the CPU. It has all the resources it needs, but the CPU is occupied by another process. This is like having multiple programs open on your computer, but only one can be active at a time.

    • 'Running' State - Only one, at most, process can be in the 'Running' state at any given time on a single processor. Multiple processes might be running if there are multiple processor cores.

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    Description

    This quiz tests your understanding of the various states of a process in an operating system. You will explore the definitions and characteristics of states such as 'New', 'Running', 'Waiting', and 'Ready'. This is crucial for anyone studying computer science and operating systems.

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