The CompTIA A+ Essentials CourseCARD helps prepare you for this certification exam. An overview of the three parts of a computer hardware, software and firmware are highlighted for easy reference. Review the knowledge necessary to work with computer hardware and operating systems. Study the information you need to install, build, upgrade, repair, configure, troubleshoot, and optimize a computer. Then, explore how to diagnose problems and perform preventive maintenance. Consult the tips and solutions page for more details on how to pass the exam.
