M. RAFIQUZZAMAN, PhD, PE, is Professor of Electrical and Computer Engineering at California State Polytechnic University, Pomona. Dr. Rafiquzzaman has over 40 years of academic and industrial experiences. He is the founder and President of Rafi Systems, Inc., a manufacturer of biomedical devices (Intraocular lenses) in California. Dr. Rafiquzzaman authored several books on digital logic, microcontrollers, and microprocessors. His first book on microprocessors was published by Wiley in 1982.