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CompTIA IT Fundamentals All-in-One Exam Guide (Exam FC0-U51) by Mike Meyers, Scott Jernigan

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CHAPTER 2

System Hardware

In this chapter, you will learn how to

•  Differentiate among CPUs in terms of speed and features

•  Explain the types and technologies of memory in a PC

•  Describe motherboard form factors and features

•  Identify the purpose and functions of a power supply

Knowing how all computing devices work enables you to accomplish several goals. First, you can understand the importance of various components and know when a computer has the right stuff for the job. Second, you can gauge the efficiency of the computing process. Third, you can troubleshoot when something goes wrong.

As you know from Chapter 1, computers consist of two elements, hardware and software, with software further divided into operating systems and programs/apps. ...

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