NATIONAL OPEN UNIVERSITY OF NIGERIA
14/16 AHMADU BELLO WAY, VICTORIA ISLAND, LAGOS
SCHOOL OF SCIENCE AND TECHNOLOGY
MARCH/APRIL 2014 EXAMINATION
COURSE CODE: CIT 841
COURSE TITLE: ADVANCED INFORMATION STORAGE AND RETRIEVAL
TIME ALLOWED: 2 ½ Hours
INSTRUCTION: Answer Any Four Questions
1a. List the tripartite factors used to determine the value of information.
6 marks
b. List six life cycle of information. 6 marks
c. Briefly explain what is meant by information management. 5 ½ marks
2a. Describe, in detail,what is meant by a user profile. 8 ½ marks
b. Explain three different ways to specify user profile. 9 marks
3a. Tabulate four ddifferences between Bibliographic and Non-Bibliographic Information. 12 marks
b. Explain, with two examples, what is meant by Non-bibliographic information. 5 ½ marks
4a. Explain query formulation concept. 6 ½ marks
b. State three factors affecting query formulation. 5 marks
c. List four typical query expansion techniques. 6 marks
5a. Explain the Boolean Model of information retrieval. 6 marks
b. Outline four advantages of Boolean Model of information retrieval. 8 marks
c. Why do users find it difficult to construct effective Boolean queries? 3 ½ marks
6a. Explain what is meant by information retrieval. 3 ½marks
b. State one benefit of automated information retrieval systems 3 marks
c. Outline the information retrieval process. 11 marks
For the 2015 – till date past questions for this course CLICK HERE
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