What is an operating system? What are the role of the operating system?
Answers
An operating system (OS) is system softwarethat manages computer hardware and software resources and provides common services for computer programs.
Operating System (OS) manage computer hardware resources and provide common services for application software.
The operating system acts as an interface between the hardware and the programs requesting I/O. It is the most fundamental of all system software programs.
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Operating system :
Operating system is also called system software. Most people also speak OS by its short name. It is also called the heart of the computer. Operating system is a system software, which works like Interface between user means you and Computer Hardware.
The computer, this OS gives you the means to use the computer. As you listen to the song, double click on the word document, sit down with three four windows, write something in the keyboard, and save some file in the computer, you can never do all this without operating system.
So this OS is the software with which you run your computer. So whenever you buy a new computer, first of all you have to load Window 8 or Windows10 in it from the shopkeeper and after that you take the computer to your home. Otherwise without operating system, you can never turn on your computer.