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Machine Readable Catalogue:
The past ten years have witnessed a great change in cataloguing practice with the increasing use of computers and network communications. Cataloguing standards have been rationalised to suit the changing cataloguing practices, which have been universally acknowledged and adopted. New physical forms of library catalogues have made their debut. The machine-readable catalogue is the most significant of these new forms of catalogue.
In a machine-readable catalogue entries are rendered in a format which permits input and storage on magnetic tape or magnetic disc for manipulation in a computer. MARC format, UNIMARC, Common Communication Format (CCF) are standard formats. Access to the catalogue entries may be 'off-line' or 'on-line'. 'Off-line' means that the computer can be used only at certain times. At the available computer time, search must be made for a collection or batch of enquiries. On=line systems, however, are linked directly to the computers which can be used immediately or at any time for processing enquiries and searching.
There are three major computer produced physical forms of library catalogues which are relevant to off-line access. These are:
In these forms, they are no more than the conventional catalogue forms, the only difference being their mode of production.
Production and Development Process The traditional approach to product development stresses on a rigid sequence of steps. Usually R&D engineers exclude the manufacture proces
Early Stage - Evolution of catalogue - library catalogue code: Some such methods though primitive, existed almost until the time the manuscripts came to end and ceased to be t
L C Descriptive Rules: Library of Congress. Rules for Descriptive cataloging at the Library of Congress Adopted by the American Library Association. - Washington, D.C.: Libra
Ordinal Numbers: These are used not for the purpose of counting but ordering and mechanising the arrangement of things. For example, participants in a conference can be liste
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CLASSIFIED CATALOGUE: A classified catalogue is a form of subject catalogue, in which the entries are arranged by the class number which representing the subject of document,
Surveys and Censuses There are also organisations which have been set up specifically to gather statistical information through censuses and surveys. This may be considered a
Types of Reference work: a) The conservative approach is based on the fact that the users should be instructed on how to use books and libraries rather than on delivery of inf
Trade Discounts: Trade discounts area common feature in book purchases. The discounts may vary according to categories of publications. Normally a 10% discount is admissible o
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