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Operation System

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Submitted By realben
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Operating System Breakthroughs An operating system (OS) is a collection of software that manages computer hardware and provides services for programs. It is a vital component of the system software in a computer. Applications program usually require an operating system to function.
The operating system lies between application software and the hardware, and manage the resources such as the central processing unit, memory, disk drives, and printers.
The most important operating system breakthroughs Is Multitasking and GUI Graphic user interface (pronounce goo-ee).
Graphic user interface GUI
A huge difference between MS-DOS tasking and GUI and Windows ones, in MS-DOS everything was command prompt after booting the computer is that the characters C> (or possibly C:\>) appear on the screen. The C refers to the disk drive; the > is a prompt, a signal that the system is prompting you to do something. At this point you must give some instruction to the computer. Perhaps all you need to do is key certain letters to make the application software take the lead. But it could be more complicated than that because C> is actually a signal for direct communication between the user and the operating system. DOS also provides the basic software that coordinates the computer's hardware components and a set of programs that lets you perform the many computer system tasks you need to do. To execute a given DOS program, a user must issue a command, a name that invokes a specific DOS program.
On the other hands Windows uses a colorful graphics interface that, among other things, eases access to the operating system. This feature makes Windows so easy to use, users work with icons and with menus rather than with keyed-in. Furthermore, icons and menus encourage pointing and clicking with a mouse, an approach that can make computer use both fast and easy.
Multi-tasking
Windows

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