Page 23 - Viva ICSE Computer Studies 3 : E-book

3. CRT, LED and LCD are the three main parts of the CPU. _________
4. Alphanumeric keys are arranged in a jumbled manner on the keyboard. _________

5. Plotter is a type of a printer. _________

C. Answer the questions briefl y.

1. Write about any two hardware devices.

2. Write about any three special keys.
3. Name the diff erent types of keys of the keyboard.

4. Name the two types of software.

D. Answer the questions in detail.

1. Write a note on three types of monitors.

2. What are the functions of three parts of a CPU?
3. Defi ne IPO cycle.

4. Diff erentiate between system software and application software.

Building Values and Life Skills

What will you do if you fi nd your friends pulling the wires of the computer? What will you say
to stop them?

Testing Knowledge

Explain how sharpening a pencil is an example of IPO cycle.

Linking Knowledge

Science: Is human brain similar to the CPU of a computer? Discuss.

Lab Fun

Draw any fi ve diff erent hardware devices in your scrapbook which are used in your home/
school.

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