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OS MCQs - Processes - Operating System
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OS MCQs - Memory Management - Operating System
  1. A Process Control Block(PCB) does not contain which of the following :
    2. A.
    code
    B.
    stack
    C.
    Process State
    D.
    I/O status information
    E.
    bootstrap program

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  2. The number of processes completed per unit time is known as __________.
    3. A.
    output
    B.
    Throughput
    C.
    Efficiency
    D.
    Capacity

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  3. The state of a process is defined by :
    4. A.
    the final activity of the process
    B.
    the activity just executed by the process
    C.
    the activity to next be executed by the process
    D.
    the current activity of the process

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  4. Which of the following is not the state of a process ?
    5. A.
    new
    B.
    old
    C.
    Waiting
    D.
    Running
    E.
    Terminated

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  5. The Process Control Block is :
    6. A.
    Process type variable
    B.
    Data Structure
    C.
    a secondary storage section
    D.
    a Block in memory

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  6. The entry of all the PCBs of the current processes is in :
    7. A.
    Process Register
    B.
    Program Counter
    C.
    Process Table
    D.
    Process Unit

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  7. The degree of multi-programming is :
    8. A.
    the number of processes executed per unit time
    B.
    the number of processes in the ready queue
    C.
    the number of processes in the I/O queue
    D.
    the number of processes in memory

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  8. A single thread of control allows the process to perform :
    9. A.
    only one task at a time
    B.
    multiple tasks at a time
    C.
    All of these

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  9. Which of the following do not belong to queues for processes ?
    10. A.
    Job Queue
    B.
    PCB queue
    C.
    Device Queue
    D.
    Ready Queue

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  10. When the process issues an I/O request :
    11. A.
    It is placed in an I/O queue
    B.
    It is placed in a waiting queue
    C.
    It is placed in the ready queue
    D.
    It is placed in the Job queue

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