CS-802-D Object Oriented Software Engineering - May 2022 Question Paper

Under each question, How to answer lists the points an answer should cover, outlined by CampusPrep from the syllabus. Check the details against your textbook.

1. 7 Marks
   aExplain the importance of modeling and its principles.
   How to answer

   • Define modeling in OOSE context
   • Importance: abstraction, communication, visualization, complexity management
   • Four principles of modeling
   • Example of UML models
2. 7 Marks
   bWhat is a object? What are the principles of a object oriented design, explain?
   How to answer

   • Define object: identity, state, behavior
   • Principles of object oriented design: abstraction, encapsulation, modularity, hierarchy
   • Explain each principle briefly
   • Example of class-object
3. 7 Marks
   aWhat do you mean by RUP? With a neat diagram, explain RUP software life cycle.
   How to answer

   • Define RUP: Rational Unified Process, iterative incremental
   • Phases: inception, elaboration, construction, transition
   • Neat diagram of RUP life cycle with iterations
   • Milestones and objectives of each phase
4. 7 Marks
   bWhat are the various work flows used in RUP, Explain them.
   How to answer

   • List 9 workflows: 6 core + 3 supporting
   • Explain business modeling, requirements, analysis-design
   • Explain implementation, test, deployment
   • Explain configuration, project management, environment
5. 5 Marks
   aWrite short notes on Notations.
   How to answer

   • Define UML notations
   • Types: graphical, textual notations
   • Examples: class, object, component symbols
6. 4 Marks
   bWrite short notes on Relationships.
   How to answer

   • Define relationships in UML
   • Types: association, aggregation, composition, generalization, dependency
   • Notation for each with example
7. 5 Marks
   cWrite short notes on Stereotypes.
   How to answer

   • Define stereotype as extensibility mechanism
   • Representation with guillemets << >>
   • Examples: <<actor>>, <<boundary>>, <<control>>
   • Use in extending UML vocabulary
8. 7 Marks
   aWhat is a CRC card? How do you design it? Explain in detail.
   How to answer

   • Define CRC: Class-Responsibility-Collaborator card
   • Structure of CRC card
   • Steps to design: identify classes, responsibilities, collaborators
   • Example with scenario walkthrough
9. 7 Marks
   bCompose the state chart diagram for Course and Registration System.
   How to answer

   • Identify states of Course and Registration objects
   • Identify events and transitions
   • Draw state chart with initial, final states
   • Label guards and actions
10. 7 Marks
    aHow Correctness and consistency of OOA and OOD models are made?
    How to answer

    • Define OOA and OOD models
    • Need for correctness and consistency
    • Techniques: reviews, traceability, formal checks
    • Iterative refinement between analysis and design
11. 7 Marks
    bWhat are the different strategies and test cases used for Object Oriented Software process?
    How to answer

    • Levels of OO testing: class, cluster, system
    • Strategies: unit, integration, validation
    • Test cases: fault-based, scenario-based, random
    • Example test cases for OO features like inheritance
12. 7 Marks
    aDefine component. What are the differences between components and classes? How are component and interface related?
    How to answer

    • Define component in UML
    • Differences between components and classes
    • Concept of interface: provided and required
    • Relation: component realizes interfaces
13. 7 Marks
    bExplain the following with an example:

    1. i)Use case
    2. ii)Actor
    3. iii)Flow of events
    How to answer

    • Define use case, actor, flow of events
    • Example system e.g., ATM or library
    • Show actor-use case association
    • Explain main, alternate flows
14. 7 Marks
    aWhat are Activity Diagrams in UML? How is it different from Interaction diagrams? Explain with example.
    How to answer

    • Define activity diagram: flow of activities
    • Difference from interaction diagrams: flow vs object interaction
    • Notations: swimlanes, fork, join
    • Example with diagram
15. 7 Marks
    bWhat is meant by design pattern? How it is different from object-oriented modeling?
    How to answer

    • Define design pattern: reusable solution template
    • Categories: creational, structural, behavioral
    • Difference from OO modeling: solution vs representation
    • Example pattern e.g., Singleton or Observer
16. 7 Marks
    aWhat is a Test plan? Explain in detail the guidelines to be followed in developing a test plan.
    How to answer

    • Define test plan: scope, objectives, resources
    • Guidelines: objectives, strategy, entry-exit criteria
    • Contents: schedule, deliverables, risks
    • Example test plan structure
17. 7 Marks
    bDifferentiate Conventional V/s OO design approach.
    How to answer

    • Features of conventional structured design
    • Features of OO design: objects, inheritance
    • Comparison on modularity, reusability, maintenance
    • Tabular differences