Class 3 | Compuledge (3) | Lesson : Knowing Computers

A. Answer the following questions:
    1. What is a computer?
    Ans : A computer is a very fast and
    accurate machine.

    2. Write the names of four electronic
    devices which you see in your house.
    Ans : The names of four electronic
    devices which we see in our house are -
    fan, oven, hitter and iron.

    3. Write any two differences between a
    calculator and a computer.
    Ans : Two differences between a
    calculator and a computer are as
    follows :-

         The calculator cannot draw
        pictures and drawings but the
        computer can.

         We can not play games on the
        calculator but we can on computer.

    4. What are the things you can do with
    a computer?
    Ans : The things that I can do with a
    a computer are drawing pictures,
    writing letters, playing games and
    doing many other activities.

B. Fill in the blanks:
    1. A computer is an ____ machine.
    Ans : electronic

    2. The computers can do ____ and draw
    ____.
    Ans : drawings ; pictures

    3. A computer is a very ____ and ____
    machine.
    Ans : fast ; accurate

    4. ____ means that is gives the right
    answer every time.
    Ans : Computer

    5. A computer ____ gets bored.
    Ans : never

    6. A computer is created by ____.
    Ans : Charles Babbage

    7. The computers do not have any ____.
    Ans : feelings

C. Write down (T) for True and (F) for False for the following sentences:
    1. A computer is faster than a
    calculator.
    Ans : T

    2. A computer gets tired.
    Ans : F

   3. You can draw a house on computer.
    Ans : T

    4. You can not type letters on a
    computer.
    Ans : F

    5. A computer needs very little time for
    solving a problem.
    Ans : T

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