The way a person interacts and commands a computer, tablet, smartphone or other electronic device. The user interface (UI) comprises the screen menus and icons, keyboard shortcuts, mouse and ...

Graphical user interface is sometimes shortened to GUI. The user chooses an option usually by pointing a mouse at an icon representing that option.

First developed in 1981 by computer scientist Chase Bishop ... It was envisioned as a graphical user interface (GUI) overlay for MS-DOS, which ran on IBM PCs and compatible systems.