Comp.Sci. Worksheet 1 (Class: VII)

Class-VII

Sub:Comp.Sci

Worksheet-1

Q1. Answer in one word/line:

a)     What are pixels?

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b)    What are platters?

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c)     Write difference between Pits and Lands.

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d)    Define System Unit.

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e)     Which part of Hard Disk can move a read-write head directly to the desired track?

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Q2.Write the full forms of the following:

a)     CRT                             ___________________

b)    LCD                             ___________________

c)     CD-ROM                     ___________________

d)    RAM                            ___________________

e)     RGB                             ___________________

f)      Pixels                           ___________________

Q3. Show diagrammatically the different types of printers with their examples.