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¨ A keyboard has many buttons called keys. It helps us to give instructions to computer.

¨ A printer is used to take a copy of the information stored in your computer on a sheet of
paper, which is also called hard copy.

¨ A scanner is used to copy text and pictures from paper to the computer.

¨ Speakers are used to listen to music and hear sound effects stored in our computer.
¨ Headphones are used to listen to music as well as recorded sound without disturbing

others.

Knowledge Check

A. Mark the correct response.

1. ___________ is also known as VDU.
OMR Sheet
a. Monitor b. Mouse
Use only blue/black ball
c. CPU d. Scanner pen to fill the circles. It
should be darkened
2. A __________ is used to copy text and pictures completely and properly.
Wrong methods
from paper to the computer.
Correct method
a. printer b. UPS

c. scanner d. monitor
1. a b c d
3. _____________ are used to listen to music as

well as recorded sound without disturbing others. 2. a b c d

a. Microphone b. Headphones 3. a b c d
c. Speakers d. None of these
4. a b c d
4. ___________is also known as flash drive.

a. Pen drive b. CD

c. DVD d. Speakers

B. Gap-fill exercise.

1. When the electricity goes, ___________ keeps the computer ON for

some time.
2. The ___________ is used to record our voice and different sounds into

the computer.

3. ___________ does all the tasks that we want the computer to do.

4. The printed copy on paper is called ___________.

5. A keyboard has many buttons called ___________.

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