Abstract
The Online Public Access Catalogue (OPAC) changed the traditional card catalogue system. In the new system, data can be spread within computer and then the required entry can be retrieved immediately through OPAC system in any format. Now, user can search for information via OPAC and most recently, the internet. This paper describes what is OPAC, discusses about the OPACs & Web OPACs technology in libraries and explains various features, applications and advantages of Web OPACs. http://dx.doi.org/10.14429/dbit.26.2.3679
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