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Operating System

2.1 About Operating System
Operating system is the first software that we see when we turn on the computer, and the last time we see when we turn off the computer. Many users don't know what it is that the operating system does precisely. It has requirement for software to be called an operating system. We will discuss how operating system works to turn a collection of hardware to be a powerful tool.

2.2 How it Works [2]
Not all of computers have an operating system. Let's have a look at Auto Teller Machine (ATM). It has one simple task to perform. With its input and output, and unchanged hardware to control, it doesn't need an operating system to add more complexity into a simply single program.
For computer systems that more complex that an ATM, it need operating system that can be the key to make easier application development, and more efficiency.
There are hundreds of operating systems available for special-purpose application, but most commonly use in desktop computer......


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Approximate Word Count: 664
Approximate Pages: 3 (250 words per double-spaced page)

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