B.C.A-B.C.A Computer Application SYSTEMS ANALYSIS AND DESIGN (Alagappa University - Directorate of Distance Education-2012)

DISTANCE EDUCATION
B.C.A./B.C.A./(Lateral) DEGREE EXAMINATION, MAY 2012.
SYSTEMS ANALYSIS AND DESIGN
(2003 onwards)
Time : Three hours Maximum : 100 marks
Answer any FIVE questions. 
All questions carry equal marks. (5 × 20 = 100)
1. Explain the different phases of system development life cycle. (20)
2. Explain the following fact finding techniques:
(a) Interview
(b) Questionnaire. (10+10)
3. Explain the following structured analysis tools.
(a) Decision tree
(b) Structured English. (10+10)
4. (a) Summarize the points to be considered for designing the printed output. (10)
(b) Discuss the input validation process. (10)
5. Explain the following types of databases:
(a) Hierarchical
(b) Relational. (10+10)
6. (a) List out the different types of files and explain each one of them. (10)
(b) Draw the symbols of data flow diagram and state their meaning. Illustrate the usage of data flow diagram with suitable example. (10)
7. (a) Give an outline about Top down system designapproach. (10)
(b) Write a note on special system tests. (10)
8. (a) Explain the tasks involved in the conversionprocess. (10)
(b) Mention the importance of system maintenance and discuss the jobs involved in system maintenance.(10)

Earning:  ₹ 6.50/-