Serious PC technicians must pass the A+ certification test to further their careers. This guide outlines all the topics on both the A+ core test, which covers hardware, and the DOS/Windows tests, which covers operating systems configuration and operation. Prospective test takers will quickly discover their strengths and weaknesses by reading through these topics and by taking the sample test on the CD-ROM provided with the book. Once subjects that need further study have been identified, reference charts guide test takers to in-depth treatment in the two classic texts in the field: PC Upgrade and Maintenance Guide, 8th Edition and Upgrading and Repairing PC's, 8th Edition Que.