Graphical User Interface (GUI) - Definition

GUI stands for “Graphical User Interface” and facilitates the operation of end devices through visual elements such as icons and menus. This visual interface between man and machine improves user-friendliness and is used by both operating systems and applications.

Almost every end-user program today has a GUI. The main function of the GUI is to present the backend code in a user-friendly way, with icons and images playing a central role. As a fixed component of modern operating systems, it allows the use of input devices such as the mouse. A GUI is a visual representation of programs and functions. The use of GUIs improves user-friendliness by replacing text commands with visual elements. Developers use GUIs to combine visual design and programming with a focus on user-friendliness. Typical components of GUIs are input fields, windows, screens and buttons. GUIs use event-based programming to react to user actions.

A good GUI is characterized by simple interfaces, purpose-oriented layouts, consistency and a suitable design. It informs users about errors and status changes. Although GUIs offer advantages such as user-friendliness, there are also disadvantages such as increased resource consumption and more complex development compared to text-based user interfaces.

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