Full Download PDF of (Ebook PDF) Digital Electronics: Principles and Applications 9th Edition All Chapter
Full Download PDF of (Ebook PDF) Digital Electronics: Principles and Applications 9th Edition All Chapter
Full Download PDF of (Ebook PDF) Digital Electronics: Principles and Applications 9th Edition All Chapter
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page v
Contents
Preface ix
Acknowledgments x
Walkthrough xii
About the Author xiv
Safety xv
Summary 145
Correlated Experiments 146
Chapter Review Questions 146
Critical Thinking Questions 150
Answers to Self-Tests 150
Preface
Chapter 1
• Expanded the formulas and examples.
• Revised the section on the oscilloscope.
Chapter 2
• Revised and expanded the section on binary to decimal conversion.
• Expanded the Bit, Bytes, Nibbles, and Words section.
Chapter 3
• Revised and expanded the section on the universal NAND gate.
• Added a new section on the use of a NOR gate as a universal gate.
• Revised the coverage of DeMorgan’s theorem.
• Revised the Summary section.
Chapter 4
• Added a new section on Boolean algebra.
• Expanded the coverage of Karnaugh maps.
• Revised the Summary section.
Chapter 5
• Expanded the section on digital IC specifications.
• Added new examples for the calculation of fan-out and power dissipation.
Chapter 6
• Revised the coverage of the ASCII codes.
Chapter 8
• Revised and expanded the section on ripple counters.
Chapter 11
• Revised the coverage of optical storage devices.
Chapter 12
• Introduced a real-time clock IC in the LSI digital clock section.
• Expanded the coverage of distance measurement using ultrasound.
Chapter 13
• Expanded the section on the microcomputer.
Chapter 14
• Revised the coverage of operational amplifiers in D/A conversion.
page 321
Additional Resources
An Experiments Manual for Digital Electronics contains a comprehensive test, a variety of
hands-on lab exercises and experiments, and additional problems for each chapter in the
textbook.
McGraw-Hill Connect includes comprehensive Multisim files, keyed to circuits found in
the ninth edition, and a Multisim primer, which provides a tutorial on the software for new
users.
Instructors can access instructor resources on McGraw-Hill Connect to find a wide
selection of information including:
• An Instructor’s Manual that includes a list of the parts and equipment needed to
perform lab experiments, learning outcomes for each chapter, answers to chapter
review questions and problems, and more.
• PowerPoint presentations that provide comprehensive coverage of the topics in each
chapter. A set of questions at the end of each chapter’s slide deck provides a review of
the topics covered.
• An image library that contains all of the figures presented in this textbook.
• A test bank with questions for each chapter.
Acknowledgments
Roger Tokheim thanks family members Marshall, Rachael, Dan, Jack, Ben, and Carrie for
their help on this project.
Patrick Hoppe would like to thank his wife Rose and the team at McGraw-Hill for their
invaluable help on this project: Theresa Collins, Product Development Coordinator; Beth
Baugh, Product Developer; Carey Lange, Copy Editor; Sandy Wille and Jane Mohr, Content
Project Managers; David Hash, Designer; and Lorraine Buczek, Content Licensing
Specialist.
page xi
page xii
Walkthrough
Digital Electronics: Principles and Applications, ninth edition, is designed for a first course
in digital electronics. It provides a concise, modern, and practical approach that’s suitable for
a range of electricity and electronics programs. With its easy-to-read style, numerous full-
color illustrations, and accessible math level, the text is ideal for readers who need to learn
the essentials of digital electronics and apply them to on-the-job situations.
page xiii
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the structural, condition of the optic nerve. That such an influence
may be exerted is shown by cases of transverse myelitis low down in
the cord, which, according to Erb and Seguin, were complicated by
double optic-nerve atrophy. The second theory is that the involved
part of the cord and the optic nerve present a similar vulnerability to
the same morbid influences. This is illustrated in some cases of
chronic alcoholic and nicotine poisoning, in ergotism, and in the
spinal affections due to hereditary influences and developmental
defects.
49 In one out of three female eases I found the active disturbance of gait as severe as
in males, but Leyden's observation is supported by all who have seen a sufficiently
large number of female cases.
51 Archiv für Psychiatrie, x. p. 545. There is another observation which bears in this
direction: James of Boston observed that absolute deaf-mutes in a large percentage
of cases are insusceptible to vertigo or to the allied phenomenon of sea-sickness.
Certainly, the auditory nerve is a space-sense nerve; its physiological elimination is,
however, accompanied by an immunity against a symptom which may be an evidence
of disturbed space-sense transmission. In like manner, the destruction of the central
perceptive and voluntary centres in the paretic dement inhibits the legitimate results of
posterior spinal sclerosis.
One of the most important questions which have grown out of the
pathological studies of tabes is the relationship between the lesions
and the not infrequently observed restoration of functions which had
been more or less seriously impaired in an earlier period of the
disease. Even those symptoms which ordinarily comprise the
continuous and essential clinical background of tabes may exhibit
remarkable changes in this direction. I have two well-established
observations—one of tabes of eight years' standing, the other of
more recent date—in which that symptom which, once established,
is the most constant, the reflex iridoplegia, disappeared, to reappear
in two months in one case where it had been associated with
myosis, and to reappear in eight months in the other, repeating this
oscillation the following year. I have now under observation a tabic
patient in the sixth year of his illness who two years ago had a return
of both knee-phenomena to a nearly normal extent, to lose them in
two months, and to regain the reflex on the left side four months ago,
retaining it up to the present. These three cases were of syphilitic
subjects. In a fourth advanced non-syphilitic tabic patient, whose
ataxia had reached a maximal degree, I found a return of both knee-
phenomena for three days after its absence had been established by
medical examiners for over a year, and had probably been a feature
for a much longer period. Hammond the younger and Eulenburg
have reported similar cases. Nothing is more surprising to those
unfamiliar with the progress of this disease than to find gross ataxia
or the electrical pains and anæsthesia to disappear or nearly so; and
the alleged success of more than one remedial measure is based on
the fallacious attributing to the remedy what was really due to the
natural remittence of the disease-process or of its manifestations.
The financial success of quacks and the temporary but rapidly
evanescent popularity of static electricity, Wilsonia belts, and like
contrivances are owing to the hopefulness inspired in the credulous
patient by the mere coincidence of spontaneous improvement and
the administration of a new remedy, supplemented, it may be, by the
influence of mind on body in his sanguine condition. It is to be
assumed that the influences which are at work in provoking the
trophic and visceral episodes of tabes are of an impalpable
character, and that all theorizing regarding the reason of their
preponderance in one and their absence in another case are as
premature as would be any speculation regarding their rapid
development and subsidence in the history of one and the same
case. But we have better grounds for explaining the remissions of
the ataxia and anæsthesia.
61 Derived from over five hundred cases which had presented themselves at the clinic
of the College of Physicians and Surgeons.
Chancre alone 23
Chancre followed by secondary symptoms 16
Total of those with history of chancre 39
No history of chancre in 15
Total 54
64 “Auge und Rückenmark,” Graefe's Archiv für Ophthalmologie, Bd. xxvii. iii.
68 Leyden states that coitus in the upright position has been accused of producing
tabes, without mentioning his authority. I have no observation on this subject touching
tabes, but am prepared to credit its bad effect from the account of a masturbator, who
during the orgasm produced while standing felt a distinct shock, like that from a
battery, shooting from the lumbar region into his lower limbs, and causing him to fall
as if knocked down. He consulted me in great alarm—was scarcely able to walk from
motor weakness, and had no knee-phenomenon; in a few weeks it returned, and no
further morbid sign appeared. Masturbators of the worst type occasionally manifest
ataxia, and in three cases I have been able to establish the return of the knee-jerk,
together with other improvements in the spinal exhaustion of these subjects. The loss
and diminution of the patellar jerk, and the frequently associated urinary incontinence,
as well as certain of the peripheral pains found in masturbators, certainly prove that
undue repetition of the sexual act (be it natural or artificial) is competent to affect the
cord in a way that cannot but be injurious in case of a predisposition to tabes, if not
without the latter.