Madurai Kamraj University (MKU) 2006-2nd Year M.C.A Computer Aplications All subject s - Question Paper

steps in interviewing.

5. (a). List and discuss the different kinds of file. Or (b). Write short notes on database
concepts.

6. (a). discuss the difference ranging from sequential and direct access organizations. Or (b)
List and discuss the design objectives.

7. (a). provide the purpose of constructing HIPO diagrams. Or (b). What is assurance?
discuss the different levels of assurance.

8. (a). What is the relational ranging from conversion and system implementation? discuss. Or
(b) List and discuss about the financial factors.

PART B ans all ques. (5*12=60 marks)

9. (a). discuss in detail about the testing methods used to test project feasibility. Or (b)
explain in detail about managing project review and selection.

10. (a). What elements comprise systems costs? elaborate the various categories of system
costs? discuss. Or (b). discuss in detail about the strategies for cost/benefit
comparison.

11. (a) explain in detail about the steps that should always be taken to develop and
administer questionnaires. Or (b) how are data and processes defined in a data
dictionary? discuss briefly.

12. (a). What is system reliability? explain the approaches to system reliability. Which
approach is preferred? Why?
Or
(b) explain about any 2 methods of file organization in detail.


13. (a) define the purpose and contents of a conversion plan. Or (b). explain about
the different factors involved in valuation of the software.

M.C.A 2nd Year May 2006

PAPER-IV RELATIONAL DATABASE MANAGEMENT

Time: 3 hours maximum: 100marks

PART A ans all ques. (8x5=40 marks)

1. (a) List the advantages of RDBMS. Or (b). What is meant by entity set? discuss with an
example

2. (a) Write short notes on tuple relational calculus. Or (b) what is an index? How it is
used in RDBMS?

3. (a) Compare data retrieval in network model and hierarchical model. Or (b) discuss the
concept based on relational database design with respect to repetition of info.

4. (a) What is view? Whether multiple view updations are applicable in RDBMS? Or (b).
discuss about aggregate operators in detail.

Earning:   Approval pending.