Amrita Vishwa Vidyapeetham 2007 B.C.A Computer Application System Design Feasibilty - Question Paper

B.C.A. May 2007.
System Design Feasibilty
Time : 3 hours Maximum : 100 marks
ans any 5 ques..
All ques. carry equal marks.
1. (a) Define :
(i) System
(ii) Management info System. (6)
(b) Explain the system development life cycle. (14)
2. (a) Explain the sources of info. (6)
(b) What is meant by feasibility study? (4)
(c) What are the factors learned under feasibility study? discuss them. (5)
(d) Explain the steps in feasibility study. (5)
3. (a) Who is a system analyst? elaborate his qualities and qualifications? (10)
(b) Explain the roles played by a System Analyst. (10)
4. Explain the subsequent tools for structured analysis :
(a) Structured English
(b) Decision tree
(c) Data Flow Diagram
(d) Data Dictionary.
5. (a) Explain the methods for input validation. (10)
(b) What are online systems? discuss the problems in input from design for online systems. (10)
6. (a) Compare file system and database system. (5)
(b) Explain any 2 sequential access storage devices. (10)
(c) Compare relational data base and hierarchical data base. (5)
7. (a) What are the steps in cost benefit analysis? discuss them. (8)
(b) Classify the costs and benefits. (7)
(c) Explain Payback and current Value methods. (5)
8. Write notes on :
(a) Computer Based info Systems. (10)
(b) Stages of Systems design. (10)

Earning:   Approval pending.