A text for beginning students in digital electronics, featuring a student-friendly writing style, real-world applications, and emphasis on troubleshooting and testing. Contains sections on digital basics, circuits, and systems, with a final chapter on microprocessor-based systems. Learning aids include chapter-opening vignettes about electronic industry entrepreneurs, chapter goals, worked examples, multiple-choice and essay questions, practice problems, and troubleshooting questions, plus answers to questions and selected exercises. Illustrated with two-color diagrams, data sheets, circuit examples, and end-of-chapter application circuits combining all of the functions discussed in the chapter. Annotation c. by Book News, Inc., Portland, Or.