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Theory of circuits made up of ideal digital devices, including their structure, behaviour, and design. It incorporates Boolean logic (seeBoolean algebra), a basic component of modern digital switching systems. Switching is essential to telephone, telegraph, data processing, and other technologies in which it is necessary to make rapid decisions about routing information. See alsoqueuing theory.
This entry comes from Encyclopædia Britannica Concise. For the full entry on switching theory, visit Britannica.com.
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