
The vast practicability and utility of digital principles and systems may be seen from the
wide variety of applications in the eld of industrial machinery, computers, microproces-
sors, household appliances, digital televisions, medical equipment, digital communication,
Internet, e-banking, e-business, e-governance among others. The areas of applications of
digital electronics have been increasing steadily, resulting in an unparalleled interest in
the subject of digital electronics. In fact, digital systems have conquered every eld of life
through a digital revolution.
One of the important reasons for the unprecedented growth of digital electr ...