Input device
Audio conversion device
Barcode
Biometrics
Fingerprint
Business card reader
Digital Camera
Digital camcorder
Touch Screen
Windows Touch
Gamepad
Joystick
Steering Wheel
Kinect
Gesture recognition
Graphics Tablet
Keyboard
Light Gun
Microphone
Voice Recognition
MIDI
MICR
Pointing Device
OMR
Punch Card
Remote
Voice
Video Capture
VR
Webcam
X-Ray