Electrical Engineering License Review, Eigth Edition
This text provides a comprehensive revew detailing all exam topics for the State Electrical Engineers exam for the Practicing Engineers license. It also contains 100+ problems and a sample exam.
TABLE OF CONTENTS Electrical Engineering License Review, Eigth Edition
Digital Systems
This chapter on digital systems will review three areas of study These are 1) digital logic, 2) digital interfacing and buses, and 3) digital systems. Because this field has grown so fast and now covers almost every area in electrical design and instrumentation, it is recommended that this chapter be reviewed even if just for notational purposes (if the reader chooses to skip this chapter it is hoped that he already has his expertise in this area). For those who have no background in digital logic, there are a great many books available for additional study. Two very popular texts (used at the undergraduate level) are ones by Bartee [*] and another by Roth [**], the author particularly recommends these; another book, somewhat more advanced, is one by Hill & Peterson [***] that is also especially well written and recommended..
DIGITAL LOGIC:
The basis for understanding the operation of most digital systems require a knowledge of digital logic and Boolean algebra. It will be assumed the reader is already familiar with number conversion from one base to another, such as binary to octal or to hexadecimal, and, he is also comfortable with binary arithmetic operations.
While integrated circuits have taken over the tedium of individual gate design, it is best to start this review with individual gates and how they implement boolean algebra operations. Unlike normal algebra where a variable may represent almost any value, the variables in Boolean algebra must be either a 0 or a...
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