An essential reference for electronics technicians and students Electrical and electronics installers and repairers held about 172,000 jobs in 2002, both in retail outlets that sell and service electronics and as self-employed technicians. Audel guides have been the tradesperson's choice for over a century, and enjoy a particularly strong reputation in the electrical field. This volume covers the latest in digital electronics technology as well as all the basic information for professional electricians, do-it-yourselfers, and students in the field. The review questions in every chapter are especially valuable for students.