Touchscreen

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HP Series 100 HP-150 ca. 1983, the earliest commercial touchscreen computer.

A touchscreen is an electronic visual display that the uiser can control through simple or multi-touch gestures bi touchin the screen wi ane or mair fingers. Some touchscreens can an aa detect objects such as a stylus or ordinary or specially coated gloves. The uiser can uise the touchscreen tae react tae what is displayed an tae control hou it is displayed (for example bi zoomin the text size).

The touchscreen enables the uiser tae interact directly wi what is displayed, rather nor uisin a moose, touchpad, or ony ither intermediate device (ither nor a stylus, which is optional for maist modren touchscreens).

Touchscreens are common in devices such as gemme consoles, aw-in-ane computers, tablet computers, an smartphones. Thay can an aa be attached tae computers or, as terminals, tae netwirks. Thay an aa play a prominent role in the design o deegital appliances such as personal deegital assistants (PDAs), satellite navigation devices, mobile phones, an video games an some beuks.