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Information and communication - Essay Example
Information influences all aspects of life and human activities, economic and political spheres, education and knowledge transfers. In general, information is the raw material of work. The daily activities of people and machine tools involve the processing of information. …
In the book Theories of the information Society Webster (2002) admits that it is difficult to define the term ‘information society’ because of diverse concepts and ideas involved in this concept. He identifies five main definitions based on ethnological, economic, cultural, occupational and spatial characteristics (8-9). These are all information-processing activities. The processing of information demands the use of communication media. Since the early 1990s, poeple have relied increasingly on new communication technologies to improve their performance. This trend can be observed across various countries and in companies of different sizes. There are two major reasons for this increased emphasis on communication technologies. Webster identifies information society as “one in which theoretical knowledge occupies a pre-emptiness” (26).
Information is a core of information society. Information" has never been an easy construct to define. Dennings (2001) attempts to develop a precise measure of information in terms of the selection and reduction of alternatives. Given a set of possible alternatives, the amount of information in a message is the amount of uncertainty that is removed by virtue of the message. For example, if there are 10 possible alternatives, a message that narrows the set to 2 has more information than a message that narrows the set to 5. This definition of information can be applied to questions in a straightforward manner. That is, an informative question or answer would dramatically narrow down the space of possible alternatives.