Chapter No 1 :Lecturer Computer Science 2017 (100 MCQ`S)

PPSC Computer Science 2017 Past Solved Papers

  1. Which module gives control of the CPU to the process selected by the short-term scheduler:
    1. Dispatcher
    2. Interrupt
    3. Scheduler
    4. None of these
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  2. The processes that are residing in main memory for execution are kept on a list called:
    1. Job queue
    2. Ready queue
    3. Execution queue
    4. Process queue
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  3. The interval from the time of submission of a process to the time of completion is termed as:
    1. Waiting time
    2. Turnaround time
    3. Response time
    4. Throughput
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  4. Which scheduling algorithm allocates the CPU first to the process that requests the CPU first:
    1. First-come first-served scheduling
    2. Shortest job scheduling
    3. Priority scheduling
    4. None of these
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  5. In priority scheduling algorithm:
    1. CPU is allocated to the process with highest priority
    2. CPU is allocated to the process with lowest priority
    3. Equal priority processes cannot be scheduled
    4. None of these
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  6. In priority scheduling algorithm, when a process arrives at the ready queue, its priority is compared with the priority of:
    1. All process
    2. Currently running process
    3. Parent process
    4. Init process
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  7. Time quantum is defined in:
    1. Shortest job scheduling algorithm
    2. Round robin scheduling algorithm
    3. Priority scheduling algorithm
    4. Multilevel queue scheduling algorithm
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  8. In multilevel feedback scheduling algorithm:
    1. A process can move to a different classified ready queue
    2. Classification of ready queue is permanent
    3. Processes are not classified into groups
    4. None of these
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  9. Which one of the following cannot be scheduled by the kernel:
    1. Kernel level thread
    2. User level thread
    3. Process
    4. None of these
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  10. A person of good understanding knowledge and reasoning power:
    1. Expert
    2. Intellectual
    3. Snob
    4. Literate
    5. Show Answer
      Answer: B
      Explanation:
      • N/A

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