The touchscreen enables the user to interact directly with what is displayed, rather than using a mouse, touchpad, or other such devices (other than a stylus, which is optional for most modern touchscreens).

The user can use the touchscreen to react to what is displayed and, if the software allows, to control how it is displayed for example, zooming to increase the text size. Some touchscreens use ordinary or specially coated gloves to work, while others may only work using a special stylus or pen. The display is often an LCD, AMOLED or OLED display.Ī user can give input or control the information processing system through simple or multi-touch gestures by touching the screen with a special stylus or one or more fingers. The touch panel is normally layered on the top of an electronic visual display of an electronic device. Input and output device A user operating a touchscreen Smart thermostat with touchscreenĪ touchscreen or touch screen is the assembly of both an input ('touch panel') and output ('display') device.

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