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CompTIA A+ 220-801 and 220-802 Authorized Cert Guide, Third Edition by Scott Mueller, David L. Prowse, Mark Edward Soper

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Chapter 6. I/O and Input Ports and Devices

This chapter covers the following subjects:

Introduction to I/O Ports—This section describes the types of I/O ports used to send information to and from the processor and memory.

USB—This section describes the characteristics of USB 1.1, 2.0, and 3.0 ports and cables and how to troubleshoot this technology.

IEEE-1394 (FireWire)—This section describes the characteristics of IEEE 1394a and 1394b ports and cables and how to troubleshoot this technology.

SCSI—This section describes the characteristics of SCSI ports and cables and how to troubleshoot this technology.

COM (Serial)—This section describes the characteristics of serial ports and cables and how to troubleshoot this technology.

LPT ...

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