This book was written to serve as an easy to understand introductory text for those who wish to grasp the basic fundamentals of electricity and electronics. The key concepts presented in this book are discussed using a simplified approach that enhances learning. Use of mathematics is kept to the very minimum and is discussed through applications and illustrations. Topics covered include direct current electronics, alternating current electricity, semiconductor devices, electronic circuits, digital electronics, computers and microprocessors, electronic communications, and electronic power control. The second edition provides revised and updated illustrations and content, as well as additional chapters covering the topics of electronic communications and electronic power control.