Periyar University 2006 B.Sc Computer Science SYSTEMS ANALYSIS AND DESIGN - Question Paper

.Sc. DEGREE EXAMINATION, APRIL/MAY 2006.
Fifth Semester
Computer Science
SYSTEMS ANALYSIS AND DESIGN
Time : 3 hours Maximum : 100 marks
PART A — (20 x one = 20 marks)
ans ALL the ques..
1. Computers Hardware is
(a) Artificial system (b) Prablistic system
(c) Natural system (d) Unbounded system.
2. System team consists of
(a) System analyst (b) Sensor programmes
(c) Programer (d) All the above.
3. Feasibility study comes in
(a) Development phase (b) Maintenance phase
(c) Analysis phase (d) Design phase.
4.fact

(a) Observation (c) Interview
(b) Record searching
(d) Questionnaire.
Data about data is called
(a) DFD (b) Data Definition
(c) Data dictionary (d) DDA.
(b) Fixed cost
(d) Unmeasurable cost.
(b) Data items
(d) Related data.
Intangible cost means (a) Variable cost (c) Measurable cost
File is a collection of (a) Fields (c) Records
Normalization is the process meant for
(a) Coupling
(b) Cohesion
(c) Achieving minimum Redundancy
(d) Modularity.
9. Privacy means
(a) Preventing errors
(b) Debugging
(c) Preventing unauthorized access
(d) Piracy.
10. Quality assurance comes in the
(a) Implementation phase
(b) Development phase
(c) Maintenance phase
(d) Change over phase.
11. System which has boundaries is called .
12. Mass data collection can be easily be executed by the technique.

13. Data Dictionary means .
14. DDL stands for .

15. Piracy means .
16. System life cycle does not include system development life cycle. (True / False)
3 S-No- 1374

17. ISRF means info service Request form. (True/False)
18. Intangible Benefits can be measurable. (True/ False)
19. System testing covers under maintenance phase.
(True/False)
20. Data indepentancy is 1 of the objectives of
database. (True/False)
PART B — (5 x seven = 35 marks) ans ALL ques..
21. (a) discuss the elements of a system.
Or (b) discuss any 5 kinds of systems.
22. (a) discuss the role of system team.
Or
(b) Draw a data flow diagram for purchase order
processing system.
23. (&.) discuss the importance of Data Dictionary.
Or
(b) discuss the importance of Cost-benefit analysis.
24. (a) discuss the objectives of Database.
Or
(b) discuss any 2 file organization methods merits and demerits of every.
25. (a) discuss the activities carried out to achieve system security.
Or (b) discuss the levels of Quality Assurance. PART C — (3 x 15 = 45 marks) ans any 3 ques..
26. Draw the system life cycle diagram including system. Development life cycle and discuss the various phases in detail.
27. discuss the fact finding techniques is detail and explain every methods merits and demerits.
28. discuss the feasibility considerations and steps in feasibility analysis.
29. Explain the activities carried out in system design phase.
30. Explain the over all activities carried out in maintenance phase.

Earning:   Approval pending.