operating-system-mcqs - Set (1)

Correct Answer: Orange && Worng Answer: Red

1. The interval form of time of submission of a process to the time of completion is termed as-

  • (A). Waiting time
  • (B). Turn around time
  • (C). Response time
  • (D). Thoughout
    • View Answer

    Explanation: Not Avilable

    2. Time quantum is defined in ______ scheduling algorithm.

  • (A). SJF
  • (B). FCFS
  • (C). Round Robin
  • (D). Priority
    • View Answer

    Explanation: Not Avilable

    3. The number of process completed per unit time is known as –

  • (A). Throughput
  • (B). Output
  • (C). Litency
  • (D). Efficiency
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    Explanation: Not Avilable

    4. The process control block is ______

  • (A). Process type variable
  • (B). A secondary storage section
  • (C). Data structure
  • (D). A block in memory
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    Explanation: Not Avilable

    5. The degree of multiprogramming is ______

  • (A). The number of process executed per unit time
  • (B). The number of process in the ready queue
  • (C). The number of process in the I/O queue
  • (D). The number of process in memeory
    • View Answer

    Explanation: Not Avilable

    6. ______ is the concept in which process is copied into main memeory from the secondary memeory according to the requirement.

  • (A). Paging
  • (B). Demand paging
  • (C). Segmentation
  • (D). Swapping
    • View Answer

    Explanation: Not Avilable

    7. Standard set of functions through which interacts with kernel is defined by

  • (A). System libraries
  • (B). Kernel code
  • (C). Compilers
  • (D). Utility program
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    Explanation: Not Avilable

    8. The circular wait condition can be prevented by

  • (A). Defining a linear ordering of resource types
  • (B). Using thread
  • (C). Using pipes
  • (D). All of the mentioned
    • View Answer

    Explanation: Not Avilable

    9. Physical memory is broken into fixed sized blocks called

  • (A). Pages
  • (B). Frames
  • (C). Backing store
  • (D). None of these
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    Explanation: Not Avilable

    10. The ______ table contains the base address of each page in physical memory.

  • (A). Process
  • (B). Page
  • (C). Memory
  • (D). Frame
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    Explanation: Not Avilable

    11. Paging increases the ______ time.

  • (A). Context switch
  • (B). Waiting
  • (C). Execution
  • (D). All of these
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    Explanation: Not Avilable

    12. To access the services of operating system the interface is provided by the –

  • (A). API
  • (B). Libray
  • (C). System calls
  • (D). Assembly instructions
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    Explanation: Not Avilable

    13. Which is the first program run on a computer when the computer boots up ?

  • (A). System software
  • (B). System operations
  • (C). Operating system
  • (D). None of these
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    Explanation: Not Avilable

    14. A thread is also called a ______

  • (A). Light weight process
  • (B). Heavy weight process
  • (C). Process
  • (D). None of these
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    Explanation: Not Avilable

    15. CPU fetches the instruction from memory according to the value of –

  • (A). Program counter
  • (B). Status register
  • (C). Instruction register
  • (D). Program status word
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    Explanation: Not Avilable

    16. Which of the following is CPU schedulling algorithm.

  • (A). LRU
  • (B). OPTIMAL
  • (C). FIFO
  • (D). Round Robin
    • View Answer

    Explanation: Not Avilable

    17. First to LINUX kernel which supports the SMP hardware was

  • (A). Linux 0.1
  • (B). Linux 1.0
  • (C). Linux 1.2
  • (D). Linux 2.0
    • View Answer

    Explanation: Not Avilable

    18. If a page no is not found in the TLB then it is known as a

  • (A). TLB miss
  • (B). Buffer miss
  • (C). TLB hit
  • (D). None of above
    • View Answer

    Explanation: Not Avilable

    19. With multiprogramming ______ is used productivity-

  • (A). Time
  • (B). Space
  • (C). Money
  • (D). All of these
    • View Answer

    Explanation: Not Avilable

    20. A ______ is a collection of electronics that can operate a part, a bus or a device.

  • (A). Controller
  • (B). Driver
  • (C). Host
  • (D). Bus
    • View Answer

    Explanation: Not Avilable

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