Library Catalogue System refers to the systematic list of library items available in the library. It keeps a systematic cataloging by creating a database according to the title, author, and keywords of the books.
OPAC (On-line Public Access Catalogue) - it facilitates online search through bibliographic search depend upon subject, title, author, etc. It helps the user to search whether a book is available in the library or not.
It is further divided into four types:
Card Catalogue - It contains library stored information in the form of small cards attached to books like title, author, publisher, etc.
Book Catalogue – In this Catalogue a printed form is pasted on the books with entries in alphabetical order of bibliographic record of the book.
COM Catalogue – Computer output Microform Catalogues are a record of information in alphabetical order which is transferred into images and these images will further be transferred into microform.
An integrated library system contains a database and modules related to one another. It helps the user know whether the book is available on the shelf or not, when it will be returned, etc. This module takes the use of bibliographic searches. New records are added and some of the olds are deleted it keeps a record of each and every item. It interacts with the acquisition module to remain updated.