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

11th Standard

    Reg.No. :
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Computer Science

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

    (a)

    blocks

    (b)

    sectors

    (c)

    pits

    (d)

    tracks

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

    (a)

    Computer architecture

    (b)

    Computer Organization

    (c)

    Computer Software

    (d)

    Memory

  5. Microprocessors were first introduced in the early

    (a)

    1956

    (b)

    1958

    (c)

    1960

    (d)

    1970

  6. How many units the Microprocessor is made?

    (a)

    1

    (b)

    2

    (c)

    3

    (d)

     4

  7. System Bus is the collection of....... buses.

    (a)

    2

    (b)

    3

    (c)

    4

    (d)

    6

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

    (a)

    Clock speed

    (b)

    Clock rate

    (c)

    Clock bus

    (d)

    Clock size

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

    (a)

    5

    (b)

    4

    (c)

    3

    (d)

     2

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

    (a)

    Clock speed

    (b)

    Word size

    (c)

     Hertz

    (d)

    Data bus

  11. The present microprocessor use................ bit architecture.

    (a)

    8 or 16

    (b)

     4 or 8

    (c)

     320r64

    (d)

     64 or 128

  12. Expansion of MDR is

    (a)

    Mega Data Register

    (b)

    Micro Data Register

    (c)

    Memory Data Register

    (d)

    Machine Data Register

  13. Which of the following bus is used to point a memory location?

    (a)

    System Bus

    (b)

    Data bus

    (c)

    Address Bus

    (d)

    Control Bus

  14. Which bus in unidirectional?

    (a)

     Address bus

    (b)

    Control bus

    (c)

    Data bus

    (d)

     system bus

  15. The read operation transfer data from memory to ........

    (a)

    MAR

    (b)

    MDR

    (c)

    PC

    (d)

    Instruction set

  16. In 8 bit processor, its MDR and the word in the......... memory have bits

    (a)

    16

    (b)

     8

    (c)

     256

    (d)

     64

  17. How many classifications of Microprocessor are there based on the Data Width?

    (a)

    4

    (b)

    (c)

    16

    (d)

    64

  18. How many types of Microprocessor are there based on Instruction set?

    (a)

    8

    (b)

    16

    (c)

    4

    (d)

    2

  19. Expansion of CISC is ______

    (a)

    Communication Information set computers

    (b)

    Complex Information Set Computers

    (c)

    Classified Instruction Set Computers

    (d)

    Complex Instruction Set Computers

  20. Which of the following is not an example of CISC processor?

    (a)

    Pentium IV

    (b)

    Pentium I

    (c)

    Pentium II 

    (d)

    Pentium III

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