Page 32 - Viva ICSE Computer Studies 1 : E-book

Keyboard
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• A keyboard consists of
• Typing refers to the pressing of keys on a
many buttons called keys.
keyboard to write on a computer.
• We press these keys to • Devices like mobile phone, calculator and
type letters, words and casio also have keyboard with many keys.

numbers.

Think and Discuss

What is the diff erence between

a computer mouse and a real
mouse?

Mouse

• A computer mouse looks like a real mouse.

• It has a wire (cable) that connects the mouse to the CPU.

• It has two or more buttons.

• A mouse helps to point at objects on the monitor with a pointer.

• It helps us to draw pictures and play games on a computer.

Learn More

• The fi rst mouse was made by Douglas Engelbart.
• Uninterruptible Power Supply (UPS) is used to keep a computer
ON when the electricity goes off .

Do and Learn

Who am I? Name the parts of a computer using the clues.

1. I have two or more buttons

2. I look like a screen.

3. I type letters, words and numbers.

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