Software Engineering: OOAD and Project Estimation
17 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What happens to the changeability of a software system when the number of children (NOC) increases?

  • It increases (correct)
  • It remains the same
  • It is not affected
  • It decreases

    • Which of the following is a desirable goal in software design?

  • Decrease adaptability
  • Reduce coupling between classes (correct)
  • Increase modularity
  • Increase coupling between classes

    • What does the CBC (Coupling between Classes) metric measure?

  • The number of classes in a system
  • The number of instance variables in a class
  • The total number of other classes to which the class is coupled (correct)
  • The number of methods in a class

    • What is the effect of increasing coupling between classes on modularity?

    <p>It decreases modularity</p> Signup and view all the answers

    What happens to the reliability of a software system when the number of children (NOC) increases?

    <p>It increases</p> Signup and view all the answers

    What is the primary characteristic of a class with a low CBC value?

    <p>It is self-contained with minimal relationships to other classes.</p> Signup and view all the answers

    What does a high CBC value typically indicate about a class?

    <p>It is tightly coupled to other classes, making it difficult to test and modify.</p> Signup and view all the answers

    What is the primary factor that affects the fault-proneness of classes?

    <p>Coupling between classes.</p> Signup and view all the answers

    What is the relationship between two methods of a class C that makes them cohesive?

    <p>They access the same instance variables.</p> Signup and view all the answers

    What is the range of CBC values that indicate a class is tightly coupled?

    <p>&gt;4</p> Signup and view all the answers

    What is the term for the phenomenon where a class has a high degree of cohesion among its methods?

    <p>Lack of Cohesion in Methods (LCOM)</p> Signup and view all the answers

    What is the relationship between the depth of inheritance tree (DIT) and defect-proneness of a class?

    <p>The higher the DIT, the higher is the probability that the class is defect-prone</p> Signup and view all the answers

    What does the number of children (NOC) metric value of a class C represent?

    <p>The number of immediate subclasses of C</p> Signup and view all the answers

    What is the trend observed in the empirical observations regarding NOC metric value?

    <p>Most classes have a small NOC value</p> Signup and view all the answers

    What is the relationship between NOC and defect detection probability?

    <p>The higher the NOC, the lower the probability of detecting defects</p> Signup and view all the answers

    What is the significance of a high DIT value?

    <p>It indicates a high probability of defect-proneness</p> Signup and view all the answers

    What is the implication of a class having a high NOC value?

    <p>The class has a high degree of reuse</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser