A graphical user interface (GUI, pronounced “gooey”) is a computer environment that simplifies the user’s interaction with the computer by representing programs, commands, files, and other options as ...

A Graphical User Interface is a computer interface that allows users to interact with a device through graphical elements such as pictures and animations, as opposed to text-based commands. GUIs are ...

An operating system is a collection (or suite) of programs that manages and controls the computer. Operating systems have many functions: A user interface is a program, or suite of programs that ...