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11th Standard Computer Applications Computer Organization English Medium Free Online Test One Mark Questions 2020 - 2021

11th Standard

    Reg.No. :
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Computer Applications

Time : 00:20:00 Hrs
Total Marks : 20

    Answer all the questions

    20 x 1 = 20
  1. Which of the following is said to be the brain of a computer?

    (a)

    Input devices

    (b)

    Output devices

    (c)

    Memory device

    (d)

    Microprocessor

  2. How many bits constitute a word?

    (a)

    8

    (b)

    16

    (c)

    32

    (d)

    determined by the processor used.

  3. How many memory locations ate identified by a processor with 8 bits address bus at a time?

    (a)

    28

    (b)

    1024

    (c)

    256

    (d)

    8000

  4. What is the smallest size of data represented in a CD?

    (a)

    blocks

    (b)

    sectors

    (c)

    pits

    (d)

    tracks

  5. Which ofthe following is not included in computer organization?

    (a)

    I/O devices

    (b)

    Software

    (c)

    CPU

    (d)

    Main memory

  6. Which of the following involved in designing a computer?

    (a)

    Computer architecture

    (b)

    Computer Organization

    (c)

    Computer Software

    (d)

    Memory

  7. Microprocessors were first introduced in the early

    (a)

    1956

    (b)

    1958

    (c)

    1960

    (d)

    1970

  8. Microprocessor is driven by ..........

    (a)

    Clock pulses

    (b)

    ALU

    (c)

    Control unit

    (d)

    Register

  9. Which of the following is an integrated circuit?

    (a)

    Personal computers

    (b)

    Microprocessors

    (c)

    INTEL

    (d)

    Transistors

  10. How many units the Microprocessor is made?

    (a)

    1

    (b)

    2

    (c)

    3

    (d)

     4

  11. Which of the following control the operations through signals?

    (a)

    Register

    (b)

    Control Unit

    (c)

    Intel

    (d)

    ALU

  12. Which of the following act as a communication channels between the microprocessor and devices?

    (a)

     ALU

    (b)

    Register

    (c)

    Control Unit

    (d)

    System Bus

  13. Which of the following is not the characteristics of Microprocessor?

    (a)

    Clock Speed

    (b)

    Instruction set

    (c)

     Word size 

    (d)

    System bus

  14. The speed at which the microprocessor executes instructions is called .........

    (a)

    Clock speed

    (b)

    Clock rate

    (c)

    Clock bus

    (d)

    Clock size

  15. Clock speed is measured in........

    (a)

    MHz

    (b)

    GHz

    (c)

    (a) or (b)

    (d)

    BPS

  16. Which of the following used to measure the speed of computer processors?

    (a)

    Clock rate

    (b)

    Clock speed

    (c)

     Word size

    (d)

    Hertz

  17. How many types of operations carried out of instruction set?

    (a)

    5

    (b)

    4

    (c)

    3

    (d)

     2

  18. Which of the following determines the amount of RAM accessed at one time?

    (a)

    Clock speed

    (b)

    Word size

    (c)

     Hertz

    (d)

    Data bus

  19. The first commercial microprocessor is a ..........bit processor.

    (a)

    8

    (b)

    16

    (c)

    4

    (d)

     2

  20. The present microprocessor use................ bit architecture.

    (a)

    8 or 16

    (b)

     4 or 8

    (c)

     320r64

    (d)

     64 or 128

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