1. PC, Tablet, Mobile Device, Home Theater, Digital Camera, and Camcorder Anatomy 101

One Device = Many Subsystems

You can’t troubleshoot a technology device very well unless you understand what it’s supposed to do, what connections it has on the outside, and what connections and components it has on the inside.

Whether you’re trying to solve a problem with a Windows computer, a home theater system, a digital camera, or a smartphone, you need to understand the principle of subsystems.

What’s a subsystem? A subsystem is the portion of a device that does a particular task. For example, a smartphone or tablet’s Wi-Fi subsystem includes the Wi-Fi antenna, the Wi-Fi radio, and the menu settings that enable, disable, and configure the Wi-Fi radio ...

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