Modular Design and Information Hiding

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Questions and Answers

What is the main purpose of information hiding in modular design?

  • To expose the internal structure of modules
  • To restrict the use of internal data by other modules (correct)
  • To increase the dependencies between modules
  • To encourage the design of modules with unnecessary dependencies

How does unnecessary dependency on other modules affect the validity of a module?

  • It may lead to corruption of the module's internal data (correct)
  • It has no impact on the module's functionality
  • It increases the logical structure of the procedural unit
  • It strengthens the module's boundaries

What does information hiding encompass in a software system?

  • Methods for increasing the visibility of internal data
  • External dependencies, module boundaries, and software maintenance
  • Procedural unit, logical structure, and internal properties of a module
  • Data, type of data structures, encoding systems, and internal compositional structure (correct)

Why is it important for a module to be implemented in a manner that reinforces its boundaries?

<p>To prevent corruption of internal data by other modules (C)</p> Signup and view all the answers

What are the two incarnations of information hiding mentioned in the text?

<p>As a design goal and as an implementation goal (D)</p> Signup and view all the answers

What is the purpose of information hiding in programming?

<p>To protect users from the internal details of a tool (C)</p> Signup and view all the answers

How does information hiding relate to the concept of an abstract tool?

<p>It allows users to concentrate on the larger application at hand (C)</p> Signup and view all the answers

What does minimizing coupling refer to in programming?

<p>Maximizing the interdependence between different modules (B)</p> Signup and view all the answers

Which programming practice involves applying encapsulation?

<p>Maximizing cohesion (D)</p> Signup and view all the answers

In what way does information hiding benefit the user of a program?

<p>By protecting users from the internal details of a tool (D)</p> Signup and view all the answers

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