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Operating systems final


Final one

Final one

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  • 1.  An operating system is the most important software on a computer. It manages the computers memory, and all of its software and hardware. It also allows you to communicate with the computer without knowing its language. Without an operating system, a computer is useless.
  • 2.  An operating system is the most important software of the computer. Is the one in charge of the memory , process and all of its software and hardware.
  • 3.  Modern operating systems use a Graphical User Interface, or GUI. A GUI lets you use your mouse to click on icons, buttons, and menus. It consists of a kernel and some system programs. There are also some application programs for doing work. The kernel is the heart of the operating system. In fact, it is often confused to be the operating system itself, but it is not. An operating system provides many more services than a plain kernel.
  • 4.  Some examples of popular modern operating systems include Android, BSD, iOS, Linux, Mac OS X, Microsoft Windows, Windows Phone, and Z/OS.
  • 5.  Today’s modern operating systems do an amazing variety of functions right out of the box. Aside from controlling the most rudimentary computer functions like disk input/output, memory management, and networking, an OS also allows the user to run a variety of programs or applications which can, among other things, display video and play music, create and print complex documents, and of course, access and surf the internet. Indeed, the OS and its associated GUI have made home-based personal computers nearly as ubiquitous as televisions and microwave ovens.
  • 6.  GUI - Short for Graphical User Interface, a GUI Operating System contains graphics and icons and is commonly navigated by using a computer mouse.
  • 7.  A multi-user operating system allows for multiple users to use the same computer at the same time and different times.
  • 8.  An operating system capable of supporting and utilizing more than one computer processor.
  • 9.  An operating system that is capable of allowing multiple software processes to run at the same time.
  • 10.  Operating systems that allow different parts of a software program to run concurrently.
  • 11.  Operating systems usually come preloaded on any computer that you buy. Most people use the operating system that comes with their computer, but it is possible to upgrade or even change operating systems.
  • 12.  The three most common operating systems for personal computers are Microsoft Windows, Apple Mac OS X, and Linux.