The computer interface that shows documents as they will look in their final form and uses icons to represent programs is called the graphical user interface.
graphical user interface
Access of icons on a desktop is via the Graphical User Interface
D - Graphical User Interface !
Accessing programs and documents on a computer via icons is known as employing the GUI, or graphical user interface. Without the GUI, the user would be working strictly with code, which is cumbersome and difficult.
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Gui
computer need program to run softwares properly
An operating system runs common services for computer programs and manages the computer hardware resources. An operating system is necessary to run application programs.
Daemons are programs that run in the background and are usually not designed to have a graphical interface.
there called Icon's - which represent software programs or hardware you can access on your computer
To connect your guitar to your computer using a guitar PC interface, you will need to plug one end of the interface into your computer's USB port and the other end into your guitar. This allows you to record and play music on your computer using software programs designed for music production.
generally a program which lets you interact with your hardware and acts as a user interface is the Operating System.