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Graphical user interface

Adapted from Wikipedia · Explorer experience

Screenshot of the Sugar user interface, showing a colorful and simple design meant for easy navigation.

What is a Graphical User Interface?

A graphical user interface, or GUI, is a special way for people to talk to computers and other machines. Instead of typing words, you can use pictures and symbols on the screen. This makes using computers much easier and fun!

You can find GUIs on many devices, not just computers. They are on smartphones, gaming devices, MP3 players, and even machines in offices. GUIs work best on screens that show flat pictures, like the one on your tablet or phone.

How GUIs Work

GUIs use things like buttons, menus, and windows that you can click or tap. These help you do many things quickly. For example, you can click a picture of a letter to write an email, or tap a music note to play a song. A well-designed GUI makes it simple to finish tasks, like drawing or finding a game.

GUIs also let you change how the screen looks. You can pick different colors or arrangements to make it comfortable for you. Big parts of the screen, like windows, often show main things such as pictures or messages. Smaller parts help you type in information or choose options.

Fun Pictures in GUIs

GUIs have special parts that help people use computers easily. These parts include windows, pictures called icons, places to type called text fields, menus, and a pointer. The pointer is often a mouse, and it helps you choose commands from menus and do things on the screen. A window manager helps different parts of the computer work together.

On personal computers, these parts look like a desktop. It feels like you’re working on a real desk with papers and folders. The way things are arranged can change. Some lists show items in rows, while others show them in grids. Websites often use rows or columns to show pictures and information in neat lines.

GUIs Make Life Easier

GUIs were made because typing commands can be hard and takes time to learn. Now, instead of typing, you can just click or tap on what you want. This makes using computers and other devices much easier for everyone, even if they are new to technology.

Images

A screenshot showing the interface of GNOME Shell software in overview mode.
A screenshot of the Ubuntu MATE computer operating system showing its system monitor tool.
A screenshot showing a computer screen with a window manager interface, useful for learning about software and computing.
An Apple Lisa-1 computer on display at a computer museum in Boston.
An early handheld computer model from the 1990s, the HP 200LX.

Related articles

This article is a child-friendly adaptation of the Wikipedia article on Graphical user interface, available under CC BY-SA 4.0.

Images from Wikimedia Commons. Tap any image to view credits and license.