Software Engineering Coupling Concepts
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Questions and Answers

What is the main characteristic of structured data coupling?

  • Data passed via parameter lists is structured (correct)
  • Non-structured data passed via parameter lists
  • Data from one module tells another module what to do
  • Data is not controlled by the sending module

    • Which of the following best describes structured data coupling?

  • Loose connections between modules
  • Data formats are controlled by receiving module (correct)
  • Complete dependence between modules
  • Sending module decides what to do with data

    • What is the goal of structured data coupling?

  • Minimize interactions between modules
  • Give complete control to the sending module
  • Allow the receiving module to structure the data (correct)
  • Maximize dependence between modules

    • How does structured data coupling differ from simple data coupling?

    <p>In simple data coupling, the receiving module structures the data</p> Signup and view all the answers

    Which type of coupling allows the receiving module to structure the data?

    <p>Structured data coupling</p> Signup and view all the answers

    In structured data coupling, what does the sending module keep control of?

    <p>Data formats</p> Signup and view all the answers

    Which type of coupling is exemplified by module A controlling how functions in module B will execute?

    <p>Control coupling</p> Signup and view all the answers

    What is a major issue with global-data coupling as described in the text?

    <p>It leads to unwanted side-effects</p> Signup and view all the answers

    Why is the use of global variables criticized?

    <p>They are prone to causing side-effects</p> Signup and view all the answers

    What is the term used in agile methodologies for simplifying part of a program while working on it?

    <p>Refactoring</p> Signup and view all the answers

    In the context of design modules, what does 'coupling' refer to?

    <p>The degree to which modules are connected through data sharing</p> Signup and view all the answers

    What is the main difference between encapsulation and information hiding as per the text?

    <p>Encapsulation wraps data and behaviors together, while information hiding controls data visibility</p> Signup and view all the answers

    Why is maintaining loosely coupled modules considered advantageous?

    <p>It minimizes the maintenance burden and error likelihood</p> Signup and view all the answers

    Why is information hiding considered an important feature of modules in programming?

    <p>To protect data from unwanted side-effects</p> Signup and view all the answers

    Why does the text emphasize that control of data should remain with the module that understands how to manipulate it best?

    <p>To prevent unwanted side-effects from external modules</p> Signup and view all the answers

    What happens when modules are tightly coupled in a design?

    <p>Changes in one module often require changes in another</p> Signup and view all the answers

    How do loosely coupled modules in a design interact?

    <p>Only through their interfaces, passing necessary data between procedures</p> Signup and view all the answers

    What is the primary advantage of having a simple and understandable design in software development?

    <p>Ease of maintenance and amenable to change</p> Signup and view all the answers

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