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IGNOU UNIVERSITY MCA - II (SEM 3) DEC 2009 : Object Oriented Analysis and Design

4 pages, 32 questions, 1 questions with responses, 1 total responses,

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MCS-032 MCA (Revised) Term-End Examination December, 2009 N- MCS-032 : OBJECT ORIENTED ANALYSIS AND DESIGN Maximum Mark : 100 Time : 3 Hours Note : Question number 1 is compulsory. Answer any three questions from the rest. Classify each of the following : 1. (a) Relationship as either a class, an instance of a class, inheritance relationship, an aggregation relationship and a general association relationship 5 Employee Computer Science Department Class - Students Person - Part time worker (v) Students - Book loan (b) Draw a state diagram for a stock showing error messages. MCS-032 1 5 P.T.O. (c) A general store wants to automate its inventory. It has points of sale terminals that can record all of the items and quantities that a customer purchases. It has another terminals in the loading dock to handle arriving shipments from suppliers. It has one more terminal to enter losses/ discounts due to spoilage. Perform the following tasks : Find out list of objects Draw a class diagram Draw an object diagram Draw an use case diagram 5 5 5 5 Note : Make assumptions, wherever necessary. (d) What functions are important to include in use case diagram. Explain through an example. (e) What is serialization ? Why it is not useful when large volume of data needs to be stored ? 2. 5 5 Differentiate between the following : 5x4=20 Link and reference Generalization and specialization Sequence Diagram and collaboration diagram Functional modeling and dynamic modeling (e) Aggregation and Association MCS-032 2 3. (a) Define the following concepts : 5x2=10 Meta data Abstract class Concurrency Event Data Dictionary Define object interoperability. Also, explain where is it used and why ? Draw a DFD for a general store problem (Refer to Q1(c)) 4. 5 5 (a) Draw an instance diagram for the following undirected graph : v6 5 V2 What is multiplicity in association ? Give an example to explain the answer. 5 What is the purpose of structural diagram in UML ? Also explain the use of component and deployment diagrams. 5 (d) Explain, how an optional association can be implemented using class. Explain with an example. 5 MCS-032 3 P.T.O. (a) How do you map ternary associations to table ? Illustrate. 5 What is persistency ? Explain with an example, how persistent data are identified? 5 Write a state diagram for purchaging a rail ticket. 5 (d) What is an activity diagram ? Explain through an example 5. 5 -o0o- MCS-032 4

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Additional Info : Mca - II (sem 3) December 2009 Question Paper - Object Oriented Analysis and Design (Revised Course)
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