1.1 Differentiate between the terms data, information and knowledge. Discuss 'information is power.'

OR

1.2 Explain the meaning of the terms 'information sources', 'information resources' and 'information services'. Describe the impact of technology on the provision of information services.

2.1 Distinguish between use studies and user studies. Explain the methods of assessing users' information needs.

OR

2.2 Give descriptive account of growth and development of documentation/information centres in India.

3.1 Explain the factors that necessitate the provision of reference service in libraries.

OR

3.2 What do you understand by long range reference service? Examine the necessity and the steps that are usually employed in providing such service.

4.1 Discuss the need for literature search service and describe the steps involved in it.

OR

4.2 'Document delivery scene has changed with the emergence of electronic databases and establishment of telecommunication networks, Elucidate the statement with examples from at least two service providers. What are the advantages of these systems over conventional document delivery systems

5.0 Write short notes on any three of the following (in about 300 words each)

Information needs of different user groups

SDI service

Functions of referral centres and libraries

Project information files

Efficiency of document delivery service