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The term user interface refers to the standar procedures that the user follows in order to interact with a computer.

The first Grafical User Interface (GUI) was created by Apple in 1984, due to the fact that older user interfaces were based in commands and dificult to use by ordinary users. Few years later Microsoft developed Windows.

A GUI makes use of a WIMP enviroment (Windows Icons Menus and Pointers)

The most popular operating systems that use GUI are:

-Windows family
-Mac OS
-Unix
-Linux

# data[].attributes.body
The term user interface refers to the procedures that the user follows in order to interact with a computer.

Previously, users had to memorize a lot of commands to use computers, so only experts could use them.

In 1984, Apple produced the Macintosh, the first computer with a mouse and a GUI with the aim to facilitate interaction with the computer.

A few years later Microsoft launched Windows, another OS with a GUI. Nowadays, there's an emphasis on accesibility as computers are used by all kinds of people.

A GUI makes use of a WIMP environment: windows, icons, menus and pointer. The background of the screen is the desktop, which contains icons that represent files or folders.

Double-clicking a folder opens a window with the contents or the folder, while double-clicking on a program opens a window with the program's interface.

Modern OSs also provide acces to networks and multitasking. Some of the most popular ones are  Windows, Mac OS, Unix, Linux...

They differ on device installation and compatibility with software, among others.

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User Interface
The term refers to the way of interacting with a computer, that was very  complex before.
The first graphical user interface(GUI) was made in 1984 by Apple.

A GUI consists of windows,icons,menus and a pointer.
-The background screen is the desktop.
-The desktop contains icons(files or folders).

A modern OS provides access to network and allows multitasking.

Some OS are:
- Windows (Microsoft)
-MAC OS (Apple)
-Unix
-Linux
-Palm OS
-RIM
-Symbian OS

# data[].attributes.body
The usual way of comunicating with a computer was through complex comands, that was why in 1984 Apple developed the macintosh, a computer that had a graphic interface and a mouse to interact with, since then the trend has been to make computers accessible by all kind of people  and not only to experts. Nowadays the most important operating systems are based in a graphic interface.

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In the late 1970's using a computer was complex.

In 1984, a graphical user interface was created by Apple which allow the users to communicate with the computer in an easier way.

A GUI uses a WIMP environment: nested windows, icons, menus and pointers to navigate through the information.

The most popular OS are:
-Windows (Microsoft)
-Mac OS (Apple)
-Unix (generally found on mainframes and workstations)
-Linux (open source software based on Unix)
-Windows Mobile (smartphones)
-Palm OS (used on Palm handheld devices.
-RIM (Blackberry)
-Symbian OS (used by Nokia and Siemens)

# data[].attributes.body
The term user interface refers to the standard procedures that the user follows in order to interact  with a computer.

A GUI makes user of a WIMP environment: windows,icons, menus and pointer. The backgroud of the screen is called the desktop, which contains labelled pictures called icons. These icons represent files or folders.

The most popular operating systems are:

Windows by Microsoft. The most recent version is Windows 10 .

OSX created by Apple.

Linux (Open-Source Software developed under GNU General Public License.

Unix is a multi-user system, found on mainframes and workstations in corpote instalations.

# data[].attributes.body
User interface was made to avoid users had to memorize a lot of commands.  A graphical user interface makes use of a environment with windows, icons, menus and pointer.

The desktop contains icons which represents files or folders.
When you open a folder your Pc shows a window which contains programs, documents and subdirectories. When you are in a folder you can launch a program or a document.

The most popular operating systems are:

Windows designed by Microsoft and used on the most Pcs.

Mac OS created by apple.

Unix used on mainframes and workstations.

Linux open source software developed under GNU General Public License.

# data[].attributes.body
The first computer with a mouse and a graphical user interface(GUI), was Apple in 1984 with Macintosh.

A GUI makes use of WIMP environment : windows, icons, menus and pointer,etc. A modern OS also provides do various tasks and run several programs at the same time.

The most popular operating system are:
Windows family, Mac OS,Unix or Linux.
Other important operating systems were Windows Mobile, Palm OS, RIM or The Symbian OS.