Unit 1- Information, Information Science, Information Society

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• The term "data" plural form of datum

• The word ‘data’ is Latin in origin, and literally, it means anything that is given.

• Data is undifferentiated observation of facts in terms of words, numbers, symbols, etc

• Information is processed data

• Knowledge is consolidated and structured information as in encyclopaedic articles, state-of-the-art reports, textbooks, etc.

• Example:

Data - Raw Material- Cotton

Information -Intermediary- Yarn

Knowledge -Finished Product- Cloth

• Explosion of information : Growth of information beyond amanageable limit.

• Information Society : A society in which all activities are centred on

information as a basic input.

• Information is piecemeal, fragmented, particular;is timely, transitory, perhaps even ephemeral, is flow of messages

• Data, e.g., trade and industrial statistics, price index, entertainment announcements, etc.

• Information, e.g., processed information of weather to warn farmers during times of monsoons, stock exchange information for investments, reports of music concerts, news about national and international events,etc.

• Knowledge, e.g., press responsibilities vis-à-vis democratic institutions in the form of a report, international information order as exemplified by the third world countries meetings, the books such as ‘Many Voices One World’ published by UNESCO, etc.

• Brookes fundamental equation of information science is K [S] +D I = K [S+ D S]

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Source: IGNOU MATERIAL