No. of Printed Pages : 4 BLS-7

BACHELOR'S DEGREE IN LIBRARYAND INFORMATION SCIENCE

Term-End Examination

June, 2010

BLS-7 : INFORMATION TECHNOLOGY :BASICS

Time : 3 hours Maximum Marks : 70

Note : Answer all questions. All questions carry equal marks.

Illustrate your answers with suitable examples and

diagrams wherever necessary. Write the relevant

question number before writing the answer.

Briefly discuss some of the I/O devices commonlyused for computers.

OR

Explain the advantages of using a commercialsoftware package in comparison to developmentof an inhouse software package.

What is the difference between 'Synchronous' and'Asynchronous' transmission ? Explain the useof a 'modem' in transmission process.

OR

Explain the meaning of the term transmissionmedia and discuss their different types.

BLS-7

1 P.T.O.

Discuss the concept of Information Retrieval (IR)and explain the three major models of IR.

OR

Critically examine the significant aspects relatingto the evaluation of an IR system.

What do you understand by resource sharing ?Discuss its objectives and developments in India.

OR

Critically examine the role of DELNET andINFLIBNET in improving the efficiency andeffectiveness of library and information servicesin India.

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

Network Architecture

Searching on the Internet

Inverted file

CAIRS-Library Management System

(e) Integrated Software

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