Here's the book you need to prepare for CompTIA's A+ Exam. The most up-to-date content needed to pass the A+ Core exam and the latest coverage of memory, bus, peripherals, and wireless technologies for the Operating Systems exam. This Study Guide provides: * Full coverage of every exam objective * Practical information on network hardware * Hundreds of challenging practice questions, in the book and on the CD * Leading-edge exam preparation software, including a testing engine and electronic flashcards Authoritative coverage of all exam objectives, including: Core Hardware * Installation, configuration, and upgrading * Diagnosing and troubleshooting * Preventive maintenance * Motherboards, processors, and memory * Printers * Basic networking Operating System Technologies * OS fundamentals * Installation, configuration, and upgrading * Diagnosing and troubleshooting * Networks