OPAC and Web OPAC in Library Science (UGC NET Notes + MCQs)

OPAC and Web OPAC in Library Science: Meaning, Features, Advantages & MCQs (UGC NET)

Introduction

In the modern digital era, libraries are rapidly adopting technology to improve user services. One of the most important tools in library automation is OPAC (Online Public Access Catalogue). It helps users to search library resources quickly and efficiently without manual effort.

What is OPAC?

OPAC stands for Online Public Access Catalogue. It is a computerized catalogue system that allows users to search the library collection such as books, journals, magazines, and other resources.

OPAC is an important component of Library Automation System, which helps in managing and accessing library resources efficiently.

With the growth of E-Resources, Web OPAC has become more useful for remote access.

Modern libraries are also adopting the concept of Green Library to ensure sustainable development along with digital services.

Definition: OPAC is an online database of library holdings that can be accessed through computers within the library.

E-resources are efficiently managed through systems like OPAC and Web OPAC, which allow users to search and access digital materials easily.

These resources are also a key part of modern Library Automation systems.

What is Web OPAC?

Web OPAC is an advanced version of OPAC that is accessible through the internet. Users can search library resources remotely using a web browser.

Simple Meaning: OPAC + Internet = Web OPAC

Features of OPAC

Easy search using author, title, subject, keyword
User-friendly interface
Real-time availability status
Multiple search options
Quick retrieval of information

Library automation systems use tools like OPAC to provide easy access to library collections.

Automation also supports the management of E-Resources in digital libraries.

Features of Web OPAC

Remote access (anywhere, anytime)
24/7 availability
Integration with digital resources
User login and account management
Online reservation and renewal

Advantages of OPAC

Time-saving
Accurate results
No need for physical catalogue cards
Easy to update records
Improves user satisfaction

Limitations of OPAC

Requires computer knowledge
Dependence on electricity
Initial setup cost
Technical issues

OPAC vs Web OPAC

Basis	OPAC	Web OPAC
Access	Within library	Anywhere via internet
Connectivity	Local network	Internet
Availability	Limited hours	24/7
User Reach	Limited	Global

Applications of OPAC

School Libraries
College and University Libraries
Public Libraries
Research Institutions

MCQs (UGC NET LIS)

Q1. OPAC stands for:
a) Online Public Access Catalogue
b) Offline Public Access Catalogue
c) Open Public Access Catalogue
d) Online Private Access Catalogue
Answer: a

Q2. Web OPAC is accessed through:
a) Books
b) Internet
c) Newspaper
d) CD-ROM
Answer: b

Q3. OPAC helps in:
a) Binding books
b) Searching library resources
c) Printing newspapers
d) Storing furniture
Answer: b

Q4. Which is NOT a feature of Web OPAC?
a) Remote access
b) 24/7 availability
c) Physical cards
d) Online search
Answer: c

Conclusion

OPAC and Web OPAC are essential tools in modern library systems. They enhance accessibility, save time, and improve overall user experience. With the growth of digital libraries, Web OPAC is becoming more important in providing remote access to information resources.

References

Ranganathan, S.R. Library Science Principles
Koha Library Software Documentation
UGC NET LIS Study Material
National Digital Library of India

See Also