Input

1. Pointing Devices

1.1. mouse

1.2. trackball

1.3. touchpad

1.4. pointing stick

1.5. touch screen

1.5.1. Microsoft Surface

1.5.2. Touch-sensitive pads

2. Game Controllers

2.1. Gamepads

2.2. Joysticks

2.3. Light guns

2.4. Dance pads

2.5. Motionsensing controllers

3. Video Input

3.1. Web cam

3.2. video conference

4. Scanners and Reading Devices

4.1. Flatbed

4.2. Pen or Handheld

4.3. Sheet-fed

4.4. Drum

4.5. Optical character recognition (OCR)

4.6. Optical mark recognition (OMR)

4.7. bar code scanner

4.8. Magnetic stripe card readers

4.9. MICR (magnetic ink character recognition)

4.10. RFID (radio frequency identification)

5. Biometric Input

5.1. fingerprint reader

5.2. iris recognition system

5.3. hand geometry system

6. Keyboard

6.1. Wired Keyboards

6.1.1. USB port

6.1.2. Keyboard port

6.2. Wireless Keyboards

6.2.1. Bluetooth

6.2.2. IrDA

7. pen input or digital pen

8. Digital Cameras

8.1. Studio cameras

8.2. Field cameras

8.3. Point-and-shoot camera

9. Voice Input

9.1. Speech

9.2. Music

9.3. Sound Effects

10. Terminals

10.1. POS terminal

10.2. automated teller machine (ATM)

10.3. DVD kiosk