Mouse and Keyboard:

A keyboard is an important part of the computer. The small buttons on the keyboard are called keys.

Different Types of Keys in Keyboard:

Alphabet Keys

Number Keys

Special Keys

Mouse:

1. A mouse is a pointing device attached to a computer.

2. It is used to point and select items on the computer screen.

3. It is also used while playing games and making drawings.

Types of Computer Mouse:

There are different types of mouse available.

1. Two button mouse

2. Three button mouse

3. Scroll mouse

Scroll Mouse:

1. A scroll mouse has a scroll wheel in the middle of the left and right button.

2. Scroll wheel helps you to move up and down in a page.

Scroll wheel can be of two types:

1. Ball Mouse

2. Optical Mouse

Ball Mouse

Optical Mouse

How to Click the Mouse?