The full form of GUI is Graphical User Interface.
Explanation:
GUI refers to the visual interface that allows users to interact with electronic devices through graphical icons and visual indicators. It provides a user-friendly and intuitive way for users to interact with software applications or operating systems.
Here is a detailed explanation of GUI:
1. Graphical User Interface (GUI):
- GUI stands for Graphical User Interface.
- It is a type of user interface that utilizes graphical elements such as icons, menus, and windows.
- GUI allows users to interact with software applications or operating systems by using visual indicators and controls.

2. Features of GUI:
- GUI provides a visual representation of data and functions.
- It allows users to interact with applications through icons, buttons, menus, and other graphical elements.
- GUI supports drag-and-drop functionality, making it easy to manipulate files and objects.
- It provides a user-friendly and intuitive interface, reducing the learning curve for users.
- GUI allows for multitasking and parallel processing, enabling users to work on multiple tasks simultaneously.

3. Advantages of GUI:
- GUI enhances user productivity by providing a visually appealing and intuitive interface.
- It simplifies complex tasks by breaking them down into graphical elements.
- GUI provides immediate visual feedback, making it easier for users to understand the system's response.
- It enables users to customize their interface by rearranging icons, changing themes, or setting preferences.
- GUI reduces the need for memorizing complex commands, as most functions can be accessed through graphical menus and buttons.

4. Examples of GUI:
- The most common example of GUI is the desktop interface of modern operating systems such as Windows, macOS, and Linux.
- Software applications, such as web browsers, word processors, and image editors, also utilize GUI for user interaction.
- Mobile devices, such as smartphones and tablets, employ GUI for touch-based interactions.
- GUI is also used in various industries, including gaming, industrial control systems, and medical devices.

In conclusion, GUI stands for Graphical User Interface, which provides users with a visual and user-friendly way to interact with electronic devices and software applications.