3d scanner
bar code readers
biometric devices
cable
communication
computer
device
digital camera
digitizer
eeg
electronic
eye gaze tracker
gadget
input
joy stick
joypad
keyboard
keyer
keypad
laser rangefinder
light gun
light pen
magnetic ink card reader
microphone
monitor
mouse
multimedia
notepad
numeric keypad
object
optical character reader
optical mark reader
passport scanner
pc
phone
pointing stick
portable media player
scanner
screen
technology
tool
touchpad
touchscreen
track ball
visual
vr
webcam
wii remote
wireless
yoke