Within the pages of the text (often accessed via university libraries or the sought-after ), readers are guided through the mathematical definition of information, usually measured in bits. Schwartz masterfully explains the concept of entropy —the measure of uncertainty in a source. By establishing that information is the resolution of uncertainty, he sets the stage for understanding why bandwidth and power are the currencies of communication.
that provides a unified approach to communication systems. First published in 1959, the most recent fourth edition (1990) expands on modern digital communications and data networks. Core Content and Themes
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