Chapter 8

I/O: Input/Output Device Interfaces

Today’s computers feature more built-in interfaces than ever before, and others can be added with adapter cards. This chapter covers three essential categories of input/output device interfaces: networking, peripheral device, and graphic device. These are included in CompTIA IT Fundamentals+ Objective 2.1: Classify common types of input/output device interfaces: networking (wired and wireless), peripheral device (USB, FireWire, Thunderbolt, Bluetooth, and RF), and graphic device (VGA, HDMI, DVI, DisplayPort, and Mini DisplayPort).

Foundation Topics


A computer or mobile device is not very useful unless it can connect to other devices or to the Internet. Networking interfaces make it happen. ...

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