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Digital Logic Techniques
Principles and Practice
Stonham(Author)
Springer (Publisher)
Published on 15. January 2013
Book
Paperback/Softback
VIII, 168 pages
978-1-4615-6858-2 (ISBN)
Description
In this chapter, we have examined a wide range of binary codes that can be used to represent numbers. We, as humans, use the decimal number system, but a binary system is more suited to a machine implementation because two distinct states such as high and low voltage can readily be identified without having to make precise measurements. Methods of converting between binary and decimal number systems have been developed. Conversion between decimal and pure binary can be quite laborious, as each bit may be dependent on all the decimal digits, and vice versa. BCD overcomes this problem as each decimal digit is determined by the value of a group of 4 bits. There are many BCD codes and weighted vers ions are generally used. The weights may have negative values. The most common BCD code is 8421 weighted, where each decimal digit is replaced by its value in 4-bit pure binary. BCD codes lead to simple input/output circuits but require complex arithmetic systems. A class of code that facilitates the measurement of position must only change by 1 bit as the code is incremented or decremented. The most common position sensing code is the Gray code.
More details
Series
Edition
Softcover reprint of the original 1st ed. 1987
Language
English
Place of publication
New York, NY
United States
Target group
Professional and scholarly
Research
Product notice
Paperback (trade)
Illustrations
black & white illustrations
Dimensions
Height: 25.4 cm
Width: 20.3 cm
Thickness: 9 mm
Weight
402 gr
ISBN-13
978-1-4615-6858-2 (9781461568582)
DOI
10.1007/978-1-4615-6856-8
Other editions
Additional editions

Book
01/1991
Nelson Thornes Ltd
€85.55
Article exhausted; check different version
Content
1 Numerical representation of information.- 2 Operations on binary data.- 3 Combinational logic design.- 4 Sequential logic fundamentals.- 5 Design of sequential logic circuits.- 6 The digital system.- 7 Practical digital circuits.- Answers to Problems.