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NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
MAY/JUNE 2012 EXAMINATION

CIT 841 – ADVANCED INFORMATION STORAGE AND RETRIEVAL
INSTRUCTIONS: Answer Any Four Questions

 


1a. By what is the value of any information determined?
b. Briefly discuss the six principal steps in information life cycle.


2a .Define bibliographic information
b. What does UNIMARC stands for?
c. State the primary purpose and scope of UNIMARC


3a. What is Information Organization?
b. State two objectives of information organization
c. What is the principal attribute of information organization in bibliographic systems (i.e. document-based systems)?
d. List the standards for Information Organization and Storage


4a. Systems employed in organization of digital information are an amalgam of various technologies. List five of such.
b. List the general requirements for converting text, images and objects to digital form.
c. Outline the main advantages of digital information over traditional information.


5a. What does Information Retrieval (IR) deal with?
b. Explain the Boolean model of information retrieval
c. List three advantages of the Boolean model of information retrieval.


6. Discuss indexing applications for information retrieval


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