CHAPTER 20Input Devices

In this chapter, you will learn how to

• Explain how to support common input/output ports

• Identify certain standard input devices on a PC

• Describe how certain multimedia input devices work on a PC

In Chapter 3, 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 devices, and deals with some of the troubleshooting issues you may encounter with input devices and their ports.

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