Digital Electronics Demystified

Digital Electronics Demystified

Philosophy is sometimes described as the study of what people take for
granted. It examines the reasons why people make assumptions about things
in their lives by understanding the relationships between the basic ‘‘truths’’
that are used to come up with these assumptions. This analysis takes a very
precise logical path that is scientific in nature. For example, the following
statement can be broken down into a set of simple truths and the
relationships between them plotted out and understood to allow philosophers
to carry on the natural thought process (such as what is a body that has three
‘‘extensions’’ with a ‘‘thinking substance’’).
Thus, extension in length, breadth and depth, constitutes the nature of corpor-eal substance; and thought constitutes the nature of thinking substance. For all
else that may be attributed to body presupposes extension, and is but a mode of
this extended thing; as everything that we find in mind is but so many diverse
forms of thinking. Descartes
Surprisingly enough, the rules that were developed for understanding
philosophic statements like the one above were applied in the 1930s and
1940s to help define how electrical circuits could be designed that would
be used in the first electronic computers. One of the elements of the success
of this effort was to reduce the electronic logic ‘‘truths’’ into two simple
electrical states

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