What is a Computerized Library Catalogs

Computer library catalogues are the new digital form of catalogues kept in a standard format. With the advancement of technology, libraries have also trying to automate all of their activities through the computer. As it saves the time of the users, energy, effort and they can find a systematic record.

The computerized library catalogue, all the bibliographic items found in the library are registered. Montclair Public Library in 1942 was the first public library to have a computerized library catalogue system in the United States. Cataloging helps in indexing books on the basis of author, title, subject, keyword, etc. It helps in maintaining a database of library items.

Types of Computerized Library Catalogs

• Classified catalogue –a catalogue in which entries are arranged according to the subject or class.
• Author catalogue –a catalogue based on the name of the author of books in alphabetical order.
• Title catalogue –a catalogue in which entries are done using titles as heading and in alphabetical order.

The benefits of computerized catalogue system in library management system are:

• Greater speed –the software provides high speed to produce catalog entry via computer. One can enter a large number of catalogs in a short duration.
• Accuracy –the catalog entries are done systematically so there is less chance of mistake.
• Accelerate search –it helps in advance searching, the catalog entry help in fast and easy searching.
• Saves time –computerized cataloging saves a lot of time for the user.
• Good efficiency –the work is done in an efficient manner.
• Union catalog –with the use of networking technology like LAN, VAN etc, it is possible to share the computerized catalogue with other libraries.

The online computerized library catalogue has become the necessity for maintaining a proper record of library items. Cataloging is also known as the art of preparing records in such a way that document is quickly identified.

• It discloses the content of library items
• It facilitates searching
• It provides multiple access points to the library collection
• It provides sources of information
• Useful for inventory
• Avoid duplication of work
• It serves as a retrieval tool
• It acts as a guide to the collection of materials of library

The various operations involved in cataloguing are:

• Recording of information in the sections
• Choice of creating headings of main entries
• Maintenance and updating of entries
• Preparation of guide card
• Filing of catalogue cards
• Determination of style of writing
• Writing of call numbers

Conclusion

Computer cataloguing is also known as OPAC (Online Public Access Catalogue) to some extent. It facilitates easy maintenance of records.