This document provides an overview of e-resources, which are information resources available in electronic form accessible via computer networks. E-resources include e-books, e-journals, e-theses, e-newspapers, databases, and other materials. They provide up-to-date information for research and save time and space compared to print resources. While e-resources offer advantages like convenient access from anywhere and ability to search across many resources, they also have disadvantages such as requirements for technology infrastructure and skills. Preserving and developing e-resources is important as more information is being made available in digital formats.

1. E - RESOURCE

2. OVERVIEW

3. INTRODUCTION
 The current evolution in Information technology bring
major changes in the way of Information
communication. Information Communication technology
developments opened up new avenues to e-resources
publishing in a big way. E- resources is distribution of
information in any electronic form such as CD- ROM,
Floppy Disk or Magnetic tape or across a computer
network like e-journals, E-Books, ETD etc. accessible
dial-up bulletin board or on-line services.

4. WHAT IS E-RESOURCE?
 Electronic resources consist of data (information
representing numbers, text, graphics, images,
maps, moving images, music, sounds, etc.),
programs (instructions, etc., that process the data
for use), or combinations of data and programs.
Electronic resources often include components with
characteristics found in multiple classes of
materials.

5. TYPE OF E-RESOURCES
 E-Books
 E-Journals
 E-Zine
 E-Thesis and dissertation (ETD)
 E-News Papers
 E-Reference books
 CD-ROMs
 Data bases

6. PURPOSE OF E RESOURCE
 Main purpose of electronic resources is providing
current information.
 Up date information is necessary for research work.
 Through electronic resources users are able to access
latest information.
 Save the time of user and staff
 Solve the space problem in library
 Easy to use and disseminate

7. NEED OF ELECTRONIC RESOURCES
 Electronic resources have great potential and bright future to
attract users. It combines all the benefits of the multimedia,
digital coding and Internet. It enable user to carry
everywhere and can be read on all types of computers
including handled device.
 E- Resources can be downloaded instantly.
 Users can read an e- resource any time
 Due to portability, e-resources can be taken any where on
portable computer.
 Font size can be changed suitably;
 E- resources provide facility to hold and turn pages easily
 Physically disabled users can hear audible
E- resources

8. ADVANTAGES OF E-RESOURCE
 Easy retrieval of information .
 Ability to do full text search across a huge number of
resources in one go .
 Ability to download, print, or send the desired document
instantly.
 Convenience of accessing articles any time from your
own computer.
 Ability to link directly to additional resources or related
content.
 Ability to create personal collections i.e. favourites,
bookmark, etc.

9. DISADVANTAGES OF E- RESOURCES
 Technical barriers to use
 need computers, network connection, software,etc
 Infrastructural problems
 bandwidth and telecommunications issues
 unreliable electricity supplies, etc
 Skills and training requirements
 Costs can be high: technology and content
 Variable quality of information

10.  In this computer age, e-version of books, journals, etc or
e-resources in general have become inevitable and hence
it is very much needed to convert the printed version into
e- version for future needs. Therefore, knowledge of the
different e- resources, developing e-resources and
preservation of them has become the need of this hour.
Online e-resources : • e-books • gmail • sms • e-journals
• email • e-library, • e-dictionaries, • Search engines, •
Websites Offline e-resources : • MS Office applications
•Offline e-books • CD ROM based e-resources • e-
resources on mobile Device