Input Device

Find information of these input devices.

1. Keyboard ( types & function)
2. Mouse ( types & function)
3. Trackball ( types & function)
4. Touch pad ( types & function)
5. Pointing Stick ( types & function)
6. Joystick ( types & function)
7. Stylus pen ( types & function)
8. Touch screen ( types & function)
9. bar code reader ( types & function)
10.Microphone ( types & function)
11.Digital camera ( types & function)
12.Webcam ( types & function)
13.Scanner ( types & function)
14.Biometric Input ( types & function)

Write the answer in your note book.
Dateline : During classes