A touch screen is a computer display screen that is also an input device. The screens are sensitive to pressure; a user interacts with the computer by touching pictures or words on the screen.

Why is touchscreen input and output?

When compared to other computer devices, touchscreens are unique because they handle both input and output — interpreting the user’s actions while featuring a graphic display. They allow the user to interact directly with what’s on the screen, unlike a mouse that moves a cursor.

Monitors. A display device is the most common form of output device. With all-in-one PCs, notebook computers, hand held PCs and other devices; the term display screen is used for the display device. The display devices are also used in home entertainment systems, mobile systems, cameras and video games.

What is a touch screen classified as?

A touch screen is classified as a special type of scanning device. Multitouch screens allow for interaction such as rotating graphical objects on the screen with your hand.

There are many input devices such as a keyboard, mouse, webcam, microphone and more, which send information to a computer system for processing. An output device, like Monitor, printer and more, displays the result of processing generated by input devices.