Computer Science Made Simple: Learn how hardware and by V. Anton Spraul

By V. Anton Spraul

A Brand-New e-book on a necessary subject: desktop technological know-how Made easy deals an easy one-stop source for know-how rookies and complex techies alike. V. Anton Spraul clarifies the elemental strategies of and software program in addition to networks, the web, photographs, and different functions, emphasizing easy methods to placed desktops to give you the results you want (instead of the wrong way around).

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Extra resources for Computer Science Made Simple: Learn how hardware and software work-- and how to make them work for you!

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And on top of that is a small electric fan. Why so much trouble? CPUs generate an enormous amount of heat. As they have become more complicated, all the components on a CPU have had to shrink, and that shrinkage causes more heat—similar to how water flows harder through a narrower pipe. If the heat wasn’t conducted away from the CPU, the CPU would quickly melt itself. In addition to the heatsink and fan, the CPU commonly has a thermal sensor attached. If the computer senses the CPU is about to overheat, it can shut down the system.

Current CD-ROM drives can read about fifty times faster than a CD player and are able to read the outer part of the disc at about the same speed as the inner part. While CDs and CD-ROMs are manufactured with the bumps in place, another technology allows users to make discs with their own computers. A CD-RW drive, or computer disc read/write drive, can read discs and create discs using specially made blanks. The blank discs are quite different from ordinary CDs. They contain a special dye that is initially clear but darkens when heated.

A DVD is an optical disc of much greater capacity than a CD-ROM, and a DVD drive is a device in a computer system for reading DVDs. The name DVD originally stood for Digital Video Disc because it was developed to store movies digitally, but later the name was changed to Digital Versatile Disc because any kind of data can be stored on a DVD, just like a CD. 7 gigabytes of data, which is about six times as much as a CD-ROM. Some DVDs have two layers of data. The bottom layer is like that on a CD-ROM, a shiny surface with smooth spots and bumps.

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