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CONCEPT AND NEED FOR INFORMATION:
Information emanates from all human activities and achievements; both individuals and corporate bodies are involved in the creation of information for some purpose or the other. Research and Development activities, for instance, generate new information which, in turn, is used as a basis for bringing forth more information. Some organisations are entrusted with the task of collecting and organising statistical information through census and surveys. A state with its organs of executive, legislature; judiciary, business and industry generates vast amount of information and contributes substantially to its growth. We shall also study in this Unit why information gets generated at all. This is explained by taking typical examples of information needs of a wide cross-section of people; viz., students, teachers, medical and legal practitioners, engineers, technologists, business managers, industrialists, government officials, legislators, research workers, and other specialist groups.
Interval Measurement: It is a scale based on equal units of measurement indicating how much of a given attribute is present in the subject. It exhibits equal differences ia
Uses Maps and atlases are used by common men as well as specialists both for work and pleasure. Varied uses of maps and atlases depend on their types. We shall first describe
Groupthink This is a condition where group pressures for conformity prevent the group from critically evaluating alternative viewpoints. The classic example of groupthink, the
Definition: A periodical is defined as "a publication issued in successive parts usually at regular intervals and as a rule intended to be continued indefinitely" by A.L.A. Gl
The solid wastes from a summer camp with 100 children and a staff of 25 are to be collected once per week. If bottles and cans (representing 20% of the weight) are removed, paper
Methods of Assessing Information Needs: As mentioned above there are two sets of methods: One used in user studies for analysing verbal behaviour and the other in use studies
a) Differentiate between encryption and decryption. b) Explain how cryptography works. c) List down three examples of symmetric key algorithms and two examples of asymmetric
Bill of Materials Bill of Materials (BOM) is an important document for any project, production before launching or material requirement planning process. The American Prod
Subject classification: A Compound Subject is a basic subject when it has at least one focus, or has at least an aspect, i.e., it has a basic facet and one or more isolate
Question: (a) What do you understand by the term ‘An Organization'? (b) Differentiate between ‘A Formal Organization' and ‘An Informal Organization' (c) List three fac
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