Chapter 1. Technician Essentials and Computer/Device Anatomy 101

Before you start to work on a defective computer or mobile device, it’s important to understand the essential parts of these devices. These include the different hardware components found in desktop and laptop computers and mobile devices and the roles played by software and firmware to make hardware function. It’s also helpful to be introduced to the most common types of computer failures, how to troubleshoot computer problems, the tools you need to make repairs, and some great websites to use as you prepare for the CompTIA A+ Certification exams.

This chapter introduces the CompTIA A+ 220-901 objectives 1.1, 1.2, 1.3, 1.5, 1.6, 1.7, 1.8, 1.10, 1.11; covers the CompTIA A+ 220-902 ...

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