Any PC a complex machine. It could be described as a melting pot of various technologies and products, manufactured by a host of companies in many different countries. This diversity is a great advantage because it gives the PC its versatility. However, these components don't always "melt" together into a unified whole without the help technician. The different products-whether they're hard disk, modems, sound cards, or memory boards-must share one processor and one motherboard and therefor must be designed to work harmony. For this reason, configuration of the computer components is especially emphazed on the A+essential exam, and nearly one-third of the exam's question pool pertais to the objectives reviewed in this chapter
Critical information
This first objectives blends together many divers topic areas as they relate to PCs Figure 1.1 shows as typical Pc, its components, and their locations.
For this objective, you need to know about 10 key component categories: storage devices, mother boards, power supplies, processor/CPUs, memory, display devices, input devices, adapter cards, ports and cables, and cooling systems, Each of these is discussed in the section that follow........................
figure 1.1 Typical Pc components
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