Touchscreens are display overlays which have the ability to display and receive information on the same screen. The effect of such overlays allows a display to be used as an input device, removing the keyboard and/or the mouse as the primary input device for interacting with the display's content. Such displays can be attached to computers or, as terminals, to networks. Touchscreens also have assisted in recent changes in the design of
personal digital assistant (PDA),
satellite navigation and
mobile phone devices, making these devices more usable.
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Pertaining to a device that allows a
user to interact with a
computer system by touching an area on the surface of the device with a finger, pencil, or other object; for example, a touch-sensitive keypad or
screen.
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