About the Authors

Charles J. Brooks is currently co-owner and vice president of Educational Technologies Group, Inc., as well as co-owner of eITPrep, LLP, an online training company. He is in charge of research and product development at both organizations. A former electronics instructor and technical writer with the National Education Corporation, Charles taught and wrote on post-secondary EET curriculum, including introductory electronics, transistor theory, linear integrated circuits, basic digital theory, industrial electronics, microprocessors, and computer peripherals. Charles is the author of several books, including the first five editions of A+ Certification Training Guide, The Complete Introductory Computer Course, and IBM PC Peripheral ...

Get CompTIA® A+ Exam Prep (Exams A+ Essentials, 220-602, 220-603, 220-604) now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.