Operating System(OS) - is a software of programs and data that runs on computers and manages a computers hardware.Without it the computer would be useless.
User Friendly - easy to use or operate especially of computers and computer software.
Basic input/output system(BIOS) - is a software bult into the pc. The basic of bios is to load and operate a system.
Disk Operating System(DOS) - is an operating system for x86 based personal computers.
Graphical user Interface(GUI) - is a type of user interface that allows users to interact with programs in more ways then typing.
The purpose of an operating system is to organize and control hardware and software. It controls everything on the computer. It serves as a manger for the hardware and software resources held in the system and it also deals with the hardware without having to go the long way to applications.
An operating system allows computers to make changes to how the devices work. It serves a variety of purposes. Therefore it creates the ability to interacts with users even in the most complicated ways. And also keep up with things that tend to slip your mind. As and operating system does its job you can change it at anytime you want.
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