CompTIA A+ Exam guide

This book teaches you everything you need to know to become a great
tech. It might seem like a lot of information at first, but I’ll show you how
each system functions and interacts, so you learn the patterns they all follow.
At some point in the process of reading this book and working on computers,
it will all click into place. You’ve got this!
Along the way, you’ll pick up credentials that prove your skill to
employers and clients.