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Input device

Output device

Input-Output device

Storage device

Input-Output Device	Definition (D) & Function (F)
Touch screen monitor	D-a touch-sensitive display device F-users can interact with touch screens by touching areas of the screen
Smartboard	D-touch-sensitive device,resembling a dry-erase board,that displays the image on the connected computer screen F-users can interact with the this interactive whiteboard & it able to displays the image on a connected computer screen.
Headset	D-device that act as both headphones & microphone F-users wear a headset to free their hands for typing & other activities while talking or listening to audio output
Digital camera	D-an input that allow users to take pictures & store the photographed images digitally F-allow users to take pictures & store the photographed images digitally
Force feedback game controller	D-tech that sends resistance to a jopystick or whel in response to actions of the user F-sends resistance in response to actions of the user such as vibration