GUI: What is the graphical user interface

Have you ever wondered what it is? GUI or what is a graphical user interface? Let's try to analyze it in this article for beginners.

GUI, graphical, interface, user, interface

Surely you have heard the term GUI and even more sure you have used GUI more than once. Even now you use it.

Most users do not have a clear idea of ​​what it means and some even consider it to be data. However, the term is so integral to computers that it deserves some explanation and reference.

If you are wondering what exactly it is GUI, what makes a bunch of other questions about it, then take a look at this article for beginners.

Τι είναι το GUI
The GUI is the abbreviation of English words graphical User Interface. In Greek the term is rendered with Graphic user interface ή Graphical user interface / user interface.

GUI IT is called a set of virtual elements, which appear on the screen of a digital device (eg computer) and are used to facilitate and accelerate the interaction between the user and the device. They provide the latter, through images, indications and "tools" in order for him, with simple actions, to perform specific tasks. For this reason, they "accept" "actions" of the user and "react" depending on the events that he causes through an input device (eg keyboard, mouse).

The GUI depending on how you define computing, it has been around for a long time in one form or another. If you are wondering, it was the first computer in the world Alan Turing's "a-machine", designed in 1936 and did not have GUI. He came a little later.

Many identify with the former GUI as it appeared by Douglas Engelbart in the 1968 "Mother of All Demos," which covered mouse, remote word processing, linking, and shortcuts.

GUI vs. UI
Because the terms we have already used are not everyday, you may be wondering what a "graphical user interface" is. To understand this you must first understand the term "user interface".

If you look at any machine, you will see that it has a way for users to interact with it. This part of the machine is the “user interface"Or"user interface" or else UI (User Interface).

A "graphical user interface" (GUI) is the electronic display element (if any) that is part of the larger user interface (UI) concept of a machine, and that allows users to select icons and images rather than numbers or text.

For example, a kitchen timer has a user interface (controls, buttons, dial, etc.), but it probably does not incorporate a graphical display element. A touchpad for confirming a transaction at a bank ATM can only consist of one GUI as for you, you do not interact with any part of the machine except the screen.

Caution: The GUI is not the screen as a device but the graphics that appear on it and if you click on them do some work.

The keyboard is a UI but not GUI .The UI includes any user interface. Examples of input user interfaces are keyboard, mouse, touch screen, etc. Examples of output user interfaces are monitors, speakers, LEDs, etc.

While as you saw above there are devices without GUI or with me entirely GUI, but most technological devices also have elements GUI and not GUI.

Almost every device that most people interact with incorporates one GUI, often to confirm or display actions as we use increasingly sophisticated devices. In recent decades more and more of these devices that we use every day incorporate one GUI.

Τι είναι το GUI in Computer History?
The Mother of All Demos introduced the world to the Graphic User Interface in 1968, but probably the first example GUI operated seven years earlier. IBM's SAGE computer system preceded it with a "light weapon" pointing at a pop-up map.

Mother of All Demos mainly introduced word processing, including remote collaboration. While text navigation is formally excluded from its definitions GUI, the show also included links and files. Both are early examples of more creative computer architectures that incorporate structures such as windows and tabs.

The IBM experiments in the first personal computers created SCAMP, in 1973. In the same year, the Xerox Alto is done the first widely available computer to incorporate modern shapes GUI.

From there, if you want to write its evolution GUI you will need a whole book describing the events from operating system to operating system.

Windows 3 1

Between 1973 and now, computer interaction has become so graphic-based that many functions can be completed without any text at all. The same kind of development has happened to phones.

Examples GUI on mobile devices
As with computers, digital screens existed in telephones before what we call the "graphical user interface". These first digital screens showed the user which numbers had been entered and later which phone number he was calling. However, they did not allow graphic elements to interact or function, such as the application icons currently in use.

In 1999, the Blackberry 850 became one of the first mobile devices to connect to the Internet. Although it included the basics of one GUI, the screen was monochrome and navigation was done with a conventional keyboard.

In 2003, the Palm Treo 600 combined the Personal Digital Assistant with a mobile phone to create a forerunner of modern smartphones.

The first touchscreen smartphone, the iPhone, appeared in 2007. The graphical tile menus that form the basis of GUI, was already a feature on mobile devices, as were touch screens, although they worked with a stylus. But the invention of the iPhone did GUI almost the entire surface of the screen, giving a graphical user interface to the device.

The GUI on a touch screen that first appeared with the iPhone, paved the way for its ubiquity as a kind of interface, and has since found a place in all machines, from cars to refrigerators.

Problems with GUI
The GUI may sound perfect, but it has problems. It's its own category in software and usability testing.

At first glance, a toolbar GUI It may seem clearer than a text toolbar, but what if a user does not know what graphics mean? To be one GUI effective, the icons that appear must effectively convey the actions they perform.

Sometimes, developers GUI and usability designers solve this problem in almost comically outdated ways.

The "Save" icon in many applications is still an image of a floppy disk, an artifact unknown to many newer computer users.

GUI, graphical, interface, user, interface

Also sometimes you need special imagination to understand what they mean. Which of you understood first what the three vertical dots or the three horizontal dashes do? We do not know how to say them here. We have even heard them called hamburgers.

In addition, the GUI are more demanding in terms of computing and power than the simplest interface models. A great example of this is starting a computer without GUI. Start without GUI eliminates the load bar when launching applications. Watch the video below

Without activating GUI, the process of booting a computer is faster. With the GUI enabled you have a delay and can not figure out if the system is having problems.

Whatever we say, the graphical user interface has been gradually changing our lives for decades. Images replace navigation in text or number menus, making devices more customizable and user-friendly.

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