The Essential Guide to CompTIA's A+ Certification covers everything you need to know to pass the new exams from CompTIA. With its easy-to-read style, The Essential Guide to CompTIA's A+ Certification serves as a good training manual and will serve as a valuable reference long after your certification is hanging on your wall. The text examines basic components of computer hardware systems, as well as how to upgrade and troubleshoot computers. This guide includes practice exam questions, as well as separate glossaries for terms and acronyms. Each chapter is highlighted with "buzz-words" helping to increase readers' technical vocabulary. Exam notes and sidebars help explain related issues in detail.