Chapter 1: Safety and Professionalism Chapter 2: The Visible Computer Chapter 3: CPUs Chapter 4: RAM Chapter 5: Firmware Chapter 6: Motherboards Chapter 7: Power Supplies Chapter 8: Mass Storage Technologies Chapter 9: Implementing Mass Storage Chapter 10: Essential Peripherals Chapter 11: Building a PC Chapter 12: Windows Under the Hood Chapter 13: Users, Groups, and Permissions Chapter 14: Maintaining and Optimizing Operating Systems Chapter 15: Working with the Command-Line Interface Chapter 16: Troubleshooting Operating Systems Chapter 17: Display Technologies Chapter 18: Essentials of Networking Chapter 19: Local Area Networking Chapter 20: Wireless Networking Chapter 21: The Internet Chapter 22: Virtualization Chapter 23: Portable Computing Chapter 24: Understanding Mobile Devices Chapter 25: Care and Feeding of Mobile Devices Chapter 26: Printers and Multifunction Devices Chapter 27: Securing Computers Chapter 28: Operational Procedures Appendix A: Mapping to the CompTIA A+ Objectives Glossary