GTU Information Technology (Semester 3)
Business Information Systems
December 2014
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Give the difference between closed system and open system.
3 M
1 (b) Explain the levels of information.
3 M
1 (c) Explain the categories of information.
3 M
1 (d) Explain the need of user knowledge and training.
5 M

2 (a) Explain following terms:
i) Minicomputer.
ii) Microcomputer.
iii) Distributed processing.
iv) Mulitprocessing.
v) Backing storage.
vi) Electronic mail.
vii) Operating system.
7 M
2 (b) Write a short note on followings:
i) Visual display unit (VDU).
ii) Types of printers.
7 M
2 (c) Explain Optical Character Recognition in details.
7 M

3 (a) Write a short note on:
i) Magnetic disk.
ii) Optical disk.
iii) WORM.
iv) Erasable optical (EO).
8 M
3 (b) Explain sequential file structure, direct access file structure and index file structure in detail.
6 M
3 (c) Write a Short note on:
i) Flash memory.
ii) Deterministic and Probabilistic Systems.
8 M
3 (d) Describe in detail: Methods for fact finding.
6 M

4 (a) Explain followings:
i) Logic file system.
ii) Input output subsystem.
7 M
4 (b) What is computer job scheduling? What is the importance of job scheduling in computer? Draw the architecture of job scheduler.
7 M
4 (c) Explain followings:
i) Software testing with its characteristics.
ii) Software testing life cycle.
7 M
4 (d) Write a short note on Inventory System Design.
7 M

5 (a) Explain the followings:
i) Conditions of project failure.
ii) Causes of project failure.
7 M
5 (b) What is computer network? Explain the types of computer networks in Details.
7 M
5 (c) What is expert system? Draw and explain the architecture of expert system.
7 M
5 (d) Explain followings in details with their applications:
i) Neural network.
ii) Fuzzy logic.
7 M



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