IGNOU MCA -mcs-032 solved assignments 2012 -2013

Course Code : MCS-032

Course Code : MCS-032
Course Titlle :  Object Oriented Analysis and Design
Assignment Number : MCA(3)/032/Assign/2012
Assignment Marks : 100
Weightage : 25%
Last Dates for Submission : 15
th
October, 2012 (For July 2012 Session)
15
th
April, 2013 (For January 2013 Session)
There are eight questions in this assignment, which carried 80 marks. Rest 20 marks
are for viva-voce.  Answer all the questions. Make necessary assumptions where
ever required. Please go through the guidelines regarding assignments given in the
Program Guide for the format of presentation.


Question 1: What is Object Orientation? Explain features of Object
Oriented approach of system design. Why it is better than
Structured approach of system design.          (10 Marks)

Question 2: What is UML? Briefly explain, different UML Diagrams
used for Modeling. (10 Marks)

Question 3: What is class diagrams? Explain how classes are identified
in designing of an object oriented system, with the help of
an  example.                     (10 Marks)

Question 4:  What is generalization? Explain how it is different from
specialization with an example.     (10 Marks)

Question 5:   What is dynamic model?  Also explain how it is different from
object model.                  (10 Marks)

Question 6: What is state diagram ?  Differentiate between a simple state
diagram and a composite state diagram. Draw state diagram
for Railway Reservation System.                (10 Marks)

Question 7: What is  Bi-directional  Implementation? Explain advantages
of Bi- directional Implementation with example.   (10 Marks)

Question 8: What is ternary association?  Explain how ternary associations
are mapped into tables with an example.        (10 Marks)


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