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Lesson 2: Modems

Once an expensive and complicated option, the modem is now an integral part of the modern PC, thanks to the popularity of the Internet, faxes, and e-mail.

After this lesson, you will be able to:

• Define how modems transmit data.
• Define the difference between serial and parallel data transfer.
• Install a modem.
• Troubleshoot basic modem and communication problems.
• Set up and test a modem.

Estimated lesson time: 45 minutes

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