1. A digital library is a library where collections are stored in digital formats and accessible by computers. The first use of digital library was in 1988. 2. Digital libraries have advantages like no physical boundaries, multiple access points, easy information retrieval, and added value. However, they also have disadvantages like difficulty updating very large libraries and risk of data damage if software is corrupted. 3. Examples of famous digital libraries include the HEC National Digital Library in Pakistan, which provides online access to international scholarly literature for universities and research organizations.

2. Introduction
M.Nabeel Khan 61
Daud Mirza 57
Danish Mirza 58
Fawad Usman 66
Amir Mughal 72
M.Arslan 17

3. Digital
Libraries

4. Digital Library
A digital library is a library in which
collection are stored in digital formats
and accessible by the computers. The
computer contents may be stored in
locally. Digital library is a type of
information retrieval system. The first
use of digital library is 1988.

5. Characteristics of DLs
1. A digital library is a collection of
texts, images, or data that has been
digitized.
2. It should have a way to navigate and
retrieve information.
3. It should have at least one specified
audience

8. Advantages of DLs
• No physical boundary
• Multiple access
• Information retrieval
• Added value
• Easily accessible

9. Disadvantages of DLs
• Library management system have a
very large library that will be difficult
to update.
• If software is corrupted, whole data is
damaged.

10. Benefits of DLs
• Growth in library user’s
• Round the clock availability
• Cost saving
• Time saving

12. Users of DLs in Last Year

14. Famous DLs

15. Famous DLs

18. Principles for Building DLs
• Expect change
• Know your content
• Involve the right people
• Design usable systems
• Be(a)ware of data rights
• Ensure quality
• Automate whenever possible

20. HEC DLs
HIGHIER EDUCATION COMMISSION
• HEC National digital library is a programme
to provide researchers within public &
private universities in Pakistan & non-
profit research & development
organizations with access to international
scholarly literature based on online
delivery, providing access to high quality,
database, articles & e-book across a wide
range of disciplines.

21. Introduction
• Digital library was launched in 2004.
• Accessible by more than 250
institutions in Pakistan.
• Beneficiaries includes:
1.Public sector universities
2.Private sector universities

22. HEC – Online
Resources
• National Digital Library (DL)
• Pakistan Research
Repository

25. • An Internet service provider (abbr. ISP,
also called Internet access
provider or IAP) is a business or
organization that sells to consumers
access to the Internet and related
services. In the past, most ISPs were run
by the phone companies.
Internet service provider

27. Users of ISPs

29. ISPs in Pakistan

30. References
• Academic Info: Digital Library
http://www.academicinfo.net/digital.html
• Moving to Electronic Library
http://www.sims.berkeley.edu/courses/is101/s96/elib.htm
l
• Digital Library Definition
http://sunsite.berkeley.edu/ARL/definition.html
• Digital library scope
http://www.dlib.org/metrics/public/papers/dig-lib-
scope.html
• What are Digital Libraries
http://www.clir.org/pubs/issues/issues04.html#dlf