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With all the powerful features come built in with the modern notebook computers, they are threatening the very existence of their desktop alternatives. The modern consumers have practically run out of good reasons to buy desktop computers as they can find all the essential features available with the notebook with no dramatic difference in the prices. Well, despite how close the notebook computers have come to their desktop replacements, some of us still need one or more features which may not be found in the notebooks.

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The average person who uses a personal computer on a frequent basis doesn’t think about what happens inside a personal computer once the electricity is switched on. As long as their version of MS Windows pops up within a few seconds, most people are quite happy to continue on with what they want to do on their personal computer. A personal computer goes through many processes from the moment the electricity is switched on before its operating system (ex. Windows, Linux) is fully loaded and takes over. The operating system is stored on the hard drive of a personal computer. It is stored on the hard drive because this kind of storage is much less costly and an operating system requires a large amount of storage space. So, in order to make personal computers more inexpensive, they are designed to use a mixture of ROM, DRAM, and hard disks. An account of each follows.

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