IGNOU BCA CS-05: ELEMENTS OF SYSTEM ANALYSIS AND DESIGN - DECEMBER 2007 QUESTION PAPER
BACHELOR IN COMPUTER APPLICATIONS
Term-End Examination
December, 2007
CS-05: ELEMENTS OF SYSTEM ANALYSIS AND DESIGN
Time : 3 Hours
Max. Marks : 75
Note : Question one is compulsory. Answer any three from the rest.
1. (a) Differentiate between direct and indirect costs. How is it used in feasibility analysis?
(b) Differentiate between sequential and direct file organisation.
(c) List and explain any four quality factors which are critical in Quality Assurance during Software life cycle.
(d) Write any four differences between third generation languages and fourth generation languages.
(e) Write main factors which lead to a very good design of human - computer interface, with the help of an example. (5×6=30)
2. (a) Explain hierarchy view of computer base information systems with suitable diagrams.(7)
(b) Explain the following categories of information systems : (8)
(i) Transaction Processing System
(ii) Decision Support System
3. (a) Draw a data flow diagram (DFD) depicting various processes, data flow and data repositories for a Institute Management System of a computer institute (8)
(b) Explain different types of files along with their utilities. (7)
4. (a) List the conditions where the prototypes are considered, to be most useful. Also mention the steps in the prototyping process. (8)
(b) List and explain the input design guidelines. (7)
5. Differentiate between (5×3=75)
(i) Strategic data and Tactical data
(ii) Ergonomics and Environment science
(iii) Animation and Morphing
(iv) Validation and Verification
(v) Flow chart and Warnier diagrams
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