Term I - Model Question Paper

11th Standard

    Reg.No. :
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Computer Science

Time : 03:00:00 Hrs
Total Marks : 100

    Part A

    Multiple Choice Question

    20 x 1 = 20
  1. A first generation computers used ______.

    (a)

    Vacuum tubes

    (b)

    Transistors

    (c)

    Integrated circuits

    (d)

    Microprocessors

  2. Identify the output device _____

    (a)

    Keyboard

    (b)

    Memory

    (c)

    Monitor

    (d)

    Mouse

  3. Identify the input device _____

    (a)

    Printer

    (b)

    Mouse

    (c)

    Plotter

    (d)

    Projector

  4. _____ output device is used for printing building plan, flex board, etc.

    (a)

    Thermal printer

    (b)

    Plotter

    (c)

    Dot matrix

    (d)

    Inkjet printer

  5. Which of the following led us today to extremely high speed calculating device?

    (a)

    Laptop

    (b)

    Tabulating Machine

    (c)

    Abacus

    (d)

    ENIAC

  6. The first calculating device is

    (a)

    ENIAC

    (b)

    Analytical Engine

    (c)

    EDVAC

    (d)

    Abacus

  7. Optical Mouse invented in the year.

    (a)

    1968

    (b)

    1973

    (c)

    1988

    (d)

    1981

  8. Laser mouse has as many as ______ buttons.

    (a)

    10

    (b)

    11

    (c)

    12

    (d)

    3

  9. Which printer work by spraying irised ink at a sheet of paper?

    (a)

    Laser printer

    (b)

    Inkjet printer

    (c)

    Dot matrix printer

    (d)

    Line dot matrix printer

  10. The expansion of VLSI is

    (a)

    Verified logical scale integrated circuits

    (b)

    Very logical small integer circuits

    (c)

    Very large scale integrated circuits

    (d)

    Volatile large scale integrated circuits

  11. Who was the inventor of the electronic digital computer?

    (a)

    John Vincent Atanasoft

    (b)

    J. Presper Eckert

    (c)

    John Mauchly

    (d)

    Charles babbage

  12. The first digital computer name was

    (a)

    EDVAC

    (b)

    UNIVACI

    (c)

    ENIAC

    (d)

    IBM 1620

  13. Which of the following devices stores the data permanently?

    (a)

    HDD

    (b)

    Tape drives

    (c)

    SSD

    (d)

    All of these

  14. Which of the following is the logical machine which interprets and executes software instructions?

    (a)

    CPU

    (b)

    ALU

    (c)

    Control Unit

    (d)

    Memory Unit

  15. Match the Following

    (i) Used to feed data to the computer 1 ALU
    (ii) Controls the operation of memory Unit 2 Input Unit
    (iii) Computing functions are performed on data 3 Output Unit
    (iv) Controls the flow of data between memory unit and 110 Units. 4 CPU
    (v) Convey information in understandable form 5 Control Unit
    (a)

    2,4,1,3,5

    (b)

    1,3,5,2,4

    (c)

    2,3,1,4,5

    (d)

    2,4,1,5,3

  16. Which refers to the number of bits processed by a computer's CPU?

    (a)

    Byte

    (b)

    Nibble

    (c)

    Word length

    (d)

    Bit

  17. How many bytes does 1 KiloByte contain?

    (a)

    1000

    (b)

    8

    (c)

    4

    (d)

    1024

  18. NOR is a combination of?

    (a)

    NOT(OR)

    (b)

    NOT(AND)

    (c)

    NOT(NOT)

    (d)

    NOT(NOR)

  19. Which of the following is said to be the brain of a computer?

    (a)

    Input devices

    (b)

    Output devices

    (c)

    Memory device

    (d)

    Microprocessor

  20. Which of the following is not the part of a microprocessor unit?

    (a)

    ALU

    (b)

    Control unit

    (c)

    Cache memory

    (d)

    register

  21. Part B

    Answer All Questions

    13 x 2 = 26
  22. What is the function of an ALU?

  23. What is the function of memory?

  24. Name the First generation computers.

  25. Name the Second generation computers.

  26. Write any two pointing device.

  27. Define Pixels.

  28. Name the types of Monitors available.

  29. Write the main advantages of using LED & LCD Screen.

  30. Convert (46)10 into Binary number

  31. We cannot find 1's complement for (28)10 State reason.

  32. Name the four types of Number system.

  33. What is Nibble?

  34. What is Cache Memory?

  35. Part C

    Answer All Questions

    8 x 3 = 24
  36. Define POST.

  37. What is use of ALU?

  38. Define touch screen?

  39. Describe Octal Number system

  40. Find the Answer the Following; 1002 - 12

  41. Classify the microprocessor based on the size of the data .

  42. Ditferentiate CD and DVD.

  43. What is microprocessor? 

  44. Part D

    Answer All Questions

    6 x 5 = 30
  45. Explain the following:
    a. Inkjet Printer
    b. Multimedia projector
    c. Bar code / QR code Reader

  46. Explain in detail the different types of Mouse.

  47. Add 11010102 + 1011012

  48.  Explain the different types of number systems?

  49. How the read and write operations are performed by a processor? Explain.

  50. Explain the flash memory devices and BIu-ray disc.

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