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INFORMATION CENTRES AND DATABASES:
A, organisation selects, acquires, stores, organises a--retrieves specific documents to meet users' requirements,
(ii) announces, abstracts, extracts and indexes documents, and (Hi) disseminates documents in "response to requests from users. An of documents alone in providing the service. This is the subtle difference between a documentation centre and an information centre. A database is an organised set of data stored through (i) the medium of cards, files, ledgers, etc. which tan be searched manually, and (ii) the computer-readable medium which can be searched very fast. A database may contain usable raw data like physical and chemical properties, statistical and other numerical data or bibliographical information carrying description of source documents or non-bibliographical information relating to institutions, projects, spetialists, etc. While the term is predominantly used in computer field, it may be taken to mean, for our purpose, a repository of information on a specific topic, subject area or discipline.
PURPOSE OF SAMPLING: When the population is too large and spread oyer a vast area, sampling needs to be done for the economy of time, energy and cost. But it is also
"Managing is guiding human and physical resources into dynamic organizational units which attain their objectives to the satisfaction of those served and with a high degree of mora
Increase in Demand: Exponential growth in the volume of published information, increase in the number of users and availability of large number of online and C D - R OM bibli
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OBJECTIVES Library catalogue is an important tool in a library and cataloguing is one of the most important activities of a library. In this Unit, you are introduced to a few
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