OPAC - Online Public Access Catalogue

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Online Public Access Catalogue (OPAC) or simply a Library Catalogue is a digital database of materials such as text files, e-books, journals, etc held by a library. Patrons can use the online library cataloguing software to find out any item under control of a library. It displays the query search results in an easy-to-understand format to enable patrons to find digital material quickly. The globally located library authorities or librarians have the provision to update the catalogue which usually requires a small amount of time.

Information about documents can be searched using powerful search engine according to:

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	Title		Word in a Title Search
	Accession Number		Editor
	Author, Co-Author		Type of Document
	Subject, Publisher
	Class Number, ISBN Number		Keyword Searching
	Publication Year		Barcode