The CompTIA A+ Cert Guide is a comprehensive guide to the new A+ exams from CompTIA. This book combines the learning and reference tools of the all-time best-selling PC repair book with comprehensive learning on all the A+ exams. It has been fully updated for the new 2015 objectives just added to the A+ exams. This book will help any A+ candidate ace the new exams with guidance from three of the most talented authors in the PC hardware industry. Each chapter takes a ground-up approach - starting with the essentials and gradually building to larger, more complex concepts. Beginners will be at ease with this book. Loaded with informative illustrations, photos and screen captures that help readers follow along, the book also includes a handy objectives index that maps each test objective to the section of the book in which that objective is covered. This invaluable tool will help readers be certain that they are ready for test day.