The touch UIs popular on small mobile devices are an overlay of the visual output to the visual input.ĭesigning the visual composition and temporal behavior of a GUI is an important part of software application programming in the area of human–computer interaction. It is the result of processed user input and usually the main interface for human-machine interaction. The GUI is presented (displayed) on the computer screen.
The term GUI tends not to be applied to other lower- display resolution types of interfaces, such as video games (where head-up displays ( HUDs) are preferred), or not including flat screens like volumetric displays because the term is restricted to the scope of 2D display screens able to describe generic information, in the tradition of the computer science research at the Xerox Palo Alto Research Center. Beyond computers, GUIs are used in many handheld mobile devices such as MP3 players, portable media players, gaming devices, smartphones and smaller household, office and industrial controls. The actions in a GUI are usually performed through direct manipulation of the graphical elements. GUIs were introduced in reaction to the perceived steep learning curve of command-line interfaces (CLIs), which require commands to be typed on a computer keyboard. The graphical user interface, or GUI ( / ˌ dʒ iː juː ˈ aɪ/ JEE-yoo- EYE or / ˈ ɡ uː i/ GOO-ee), is a form of user interface that allows users to interact with electronic devices through graphical icons and audio indicator such as primary notation, instead of text-based UIs, typed command labels or text navigation.
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