Keyboard is a rectangular input device with different keys to input data. Mice are pointing devices that control cursor movement and have buttons to select screen options. Scanning devices can store large images and quantities of data.

1. By Ghazi ul hasan
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2. *
*Keyboard is an input device. It is rectangular in
shape. It different types of keys by which we
can input our data. Different companies are
making it. It is most important part of
computer. We can also use it as a mouse cursor.

3. *
*Pointing devices allows user to indicate the
function to be performed, by controlling the
movement of pointer on screen.

4. *
*Mouse is an input device. It looks like a real
mouse. It has two buttons and one scrolling
bar. It is used to move cursor on the screen for
selecting menus. There are different types of
mouse.

5. *
*Scanning device can store large quantities of
data in the form of images.