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内容説明 The bestselling full-color computer repair textbook—fully updated for the 2012 revision to CompTIA A+ certification exams 220-801 and 220-802 Mike Meyers’ CompTIA A+ Guide to Managing and Troubleshooting PCs， Fourth Edition is the most effective classroom-based test preparation package available for schools， praised by many for its conversational style and real-world applicability. The full-color textbook design is well illustrated with photographs and diagrams， and has an interactive design. Chapter learning objectives cover the 2012 CompTIA A+ exam objectives， and a map with page references is included. The book features sidebar questions， critical skill-building activities， step-by-step instruction， and end-of-chapter review and assessment. The student CD-ROM provides a self-assessment engine with four complete practice exams， an “Introduction to A+” video by Mike Meyers， and tools and utilities for students to use in labs or on the job. Mike Meyers’ CompTIA A+ Guide to Managing and Troubleshooting PCs， Fourth Edition is CompTIA Approved: chapter objectives align with CompTIA Approved Quality Content (CAQC) standards. McGraw-Hill is a CompTIA Authorized Partner Program (CAPP) Gold Partner.