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Hardware

How you can operate your computer and what type of work it can perform depend on how your system unit is equipped. From the outside, the system unit is just a case to house the electronic components. Most people refer to the system unit as "the computer" since it is the part of the system that handles all the processing jobs. There are a variety of different computer designs, such as the desktop system that sits on a desk, the floor-standing tower system, and the portable or laptop computer (see Figures 10-1 through 10-3).

Figure 10-1. Desktop computer system.

Photo (© 2003) IBM Corporation. Used with permission of IBM.



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