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CompTIA A+ Certification All-in-One Exam Guide, Seventh Edition (Exams 220-701 & 220-702), 7th Edition by Mike Meyers

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CHAPTER 18Input/Output

In this chapter, you will learn how to

• Explain how to support common input/output ports

• Identify certain common input/output devices on a PC

• Describe how certain specialty input/output devices work on a PC

In Chapter 3, “The Visible PC,” you learned how to recognize and connect a number of common devices and the ports they use. Because these devices and their ports sometimes fail, it is important that you learn how they work and how to troubleshoot them when problems arise. This chapter reviews some of the major types of input ports, discusses a number of common and not-so-common input/output (I/O) devices, and deals with some of the troubleshooting issues you may encounter with I/O devices and their ports.

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