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Medical Definition of CYBERNETICS. : the science of communication and control theory that is concerned especially with the comparative study of automatic control systems (as the nervous system and brain and mechanical-electrical communication systems).
in Mass Communication,Political Communication. Introduction: The Libertarian theory is one of the âNormative theories of pressâ. The theory which is originally came from libertarian thoughts from 16th century in Europe. The libertarian theorists are against the authoritarian thoughts.