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O is for Operating System

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"o is for operating system"An operating system is the program installed on your computer that allows you to run other programs. Most people today either have Windows XP, Windows Vista, or Windows 7 as their operating system. If you are a Mac user, you most likely have MAC OS X Lion, Snow Leopard or Mountain Lion. The operating system is the most important program on your computer. Without it, your computer could not do anything at all and would be completely useless.

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The operating system is responsible for everything you do on your computer, from the allocation of memory, recognizing external and input devices, and transmitting output to your computer monitor. The operating system also manages the files on your computer’s hard drive, and controls other devices, such as your scanner or printer.

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If you are on a large computer network, the operating system does even more. It monitors all of the users on the network and the programs they use, it ensures that everything is running correctly and notifies you if it isn’t, and also prevents unauthorized users from logging into the computer system.

The operating system, such as Windows 7, will display errors on your screen if it finds something wrong. These errors could be anything from memory errors, such as if you are low on memory, to a problem with a file that the operating system needs to run correctly. Everything has to run smoothly or the operating system will not work. If even one file becomes damaged, the operating system will give you an error and it will not work properly.

If your operating system starts to display many errors, this could mean many different things. You could have a virus or spyware on your computer. This can easily be fixed by running a virus application and a spyware application on your computer to fix the problem. Windows also has System Restore that you can use to restore your operating system back to a time when it was working properly.  In extreme cases, the entire computer needs to be formatted, which means the operating system is completely deleted and reinstalled. In this case, you need to have all of your backed up or you will lose everything on your computer. In most cases, however, computer can be fixed without you having to format it. The virus software should be updated before you run it, as well as the spyware software. Remove the infected files, and your operating system should start running smoothly again.

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