DISTANCE EDUCATION
B.Lit. I.Sc. DEGREE EXAMINATION, MAY 2018.
INFORMATION SOURCES AND SERVICES
Time Three hours Maximum 100 marks
SECTION A — x 8 40 marks)
Answer any FIVE questions.
1. Explain the concept of Information Explosion.
2. Write short notes on Formal and Informal
Communication.
3. Distinguish between Documentary and
Non-Documentary sources.
4. Write a short notes on Almanacs and year books.
5. Distinguish between Information Services and Reference
Services.
6. Write a note on current awareness service.
7. Give an account on functions of DESIDOC.
8. Briefly explain Directories, Handbooks and manuals.
SECTION B — × 15 60 marks)
Answer any FOUR questions.
9. Write an essay on Primary and Tertiary sources of
Information.
10. Explain the various behaviours encountered in
communication process.
Sub. Code
12
DE-3470
2
SP 5
11. Differentiate Ready Reference Service and Long Range
Reference Service.
12. Give an account on functions of INSDOC and NASSDOC.
13. Explain the various steps involved in the evaluation of
Information sources.
14. Discuss about the SDI service.
15. Discuss about the user needs and user education.