About the Author

Charles J. Brooks, author of five editions of the A+ Training Guide, is currently the president of Marcraft International Corporation, located in Kennewick, Washington, and is in charge of research and development. He is the author of several books, including Speech Synthesis, Pneumatic Instrumentation, The Complete Introductory Computer Course, Radio-Controlled Car Project Manual, and IBM PC Peripheral Troubleshooting and Repair. A former electronics instructor and technical writer with the National Education Corporation, Charles has taught and written on post-secondary EET curriculum, including introductory electronics, transistor theory, linear integrated circuits, basic digital theory, industrial electronics, microprocessors, and computer peripherals.