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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.
NEED FOR INFORMATION Everybody needs information for some purpose or the other. When you want to travel, you need information about routes, timings of the transport services,
Advantages of information services: There are a number of advantages in the value addition of information services. Taylor suggests three of them: • Making choice easier, by
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Problem QC is often performed by a team of professionals who use specific techniques. These techniques do vary depending on the intended measurement. Without QC techniques, a c
what is prisoner''s dilemma'',of non cooperative game?
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PERIODICALS RECEIVING WORK: The work of receiving periodicals is perhaps the most difficult activity in the Periodicals Department. It requires thoughtful planning and systema
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