Titlebook: Understanding Personal Computer Hardware; Everything you need Steven Roman Book 1998 Steven Roman 1998 computer.hardware.interface.micropr

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Memory,The purpose of memory is to store information in a manner that allows as rapid reading and writing as possible. These days, a modern computer usually has between 16 MB and 128 MB of memory, which is enough to store between 2000 and 16,000 pages of single-spaced text. On the other hand, it may not be enough to store a large, full color photograph.

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Hard Drives I: Physical Characteristics,. (or .) provide the primary means of data storage in a PC. In general, modern hard drives are fast, reliable and have a large capacity. Until recently, almost all hard drives were fixed, or non-removable (hence the name .). In other words, they could not be removed from the PC. In recent times, however, the so-called . has become very popular.

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Hard Drives II: Logical Characteristics,As we mentioned in the previous chapter, all disk drives need two levels of formatting. Actually, preparing a hard drive for use is a three-step process. Briefly, here are the steps:

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The Parallel Interface,In the PC world, the term . refers to the . transmission of more than one bit (usually 8 bits or 1 byte) of data at the same time, over separate data lines.

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Printers,Printer technology has evolved dramatically since the early PC days. Printers can generally be divided into the following four groups.