Understanding maintainability

• What does maintainability refer to in software programs?

  Ease of understanding, modification, and updating
• Match the factor affecting maintainability with its description:

  Code structure ↔️ Well-structured, modular code with clear separation of concerns

  Documentation ↔️ Comprehensive, up-to-date documentation helps developers grasp the program's purpose

  Coding standards ↔️ Following best practices and conventions improves readability
• What is the benefit of modular code in terms of maintainability?

  Easier understanding and modification
• Order the principles of defensive design for maintainability.

  1️⃣ Modularity

  2️⃣ Documentation

  3️⃣ Code readability

  4️⃣ Testability
• Clear, concise comments improve code comprehension.


  True
• Maintainability is an important aspect of defensive design.
• Minimizing complexity improves maintainability.
• Comprehensive documentation includes comments and READMEs.
• Modularity involves breaking down the program into independent modules.
• Consistent and descriptive naming enhances code readability.
• Well-structured, modular code with clear separation of concerns improves maintainability
• Minimizing complexity through techniques like abstraction and encapsulation reduces the effort required to understand and modify the code
• Order the principles of defensive design for maintainability.

  1️⃣ Modularity

  2️⃣ Documentation

  3️⃣ Code Readability

  4️⃣ Testability
• Why is unit testing essential for maintainability?

  Ensures each module works correctly
• Clear, concise comments explain the purpose, functionality, and usage of code components
• What type of documentation explains the purpose, parameters, and return value of a function?

  Docstrings
• Poorly formatted code with no indentation or spacing is unmaintainable.


  True
• Maintainable code is well-structured and well-documented.

  True
• Testability ensures that issues can be identified and fixed more easily.


  True
• Adhering to coding standards enhances code readability.

  True
• What is the primary benefit of comprehensive documentation for maintainability?

  Reduces time spent understanding code
• Match the factor affecting maintainability with its description:

  Code structure ↔️ Well-structured, modular code with clear separation of concerns

  Documentation ↔️ Comprehensive, up-to-date documentation helps developers grasp the program's purpose

  Coding standards ↔️ Following best practices and conventions improves readability
• What type of documentation helps developers understand a program's purpose and functionality?

  Comprehensive documentation
• Why is testability an important factor for maintainability?

  Identifies and fixes issues
• What is the primary benefit of modularity in software design?

  Simplifies development and testing
• Adhering to defensive design principles allows for efficient updates and modifications as requirements change.


  True
• Consistent, descriptive naming conventions enhance code readability.


  True
• Vague variable names make code more difficult to understand
• Match the code element with its role in maintainability:

  Descriptive Variable Names ↔️ Enhance code readability

  Docstrings ↔️ Explain function purpose

  Consistent Formatting ↔️ Improve visual structure

  Unit Testing ↔️ Ensure code reliability
• Following established coding standards improves code readability.


  True
• Adhering to maintainability factors ensures efficient updates and modifications as requirements change.


  True
• Writing code that is easy to understand and follow improves code comprehension
• Match the technique with its description:

  Modular Design ↔️ Structuring code into independent modules

  Commenting ↔️ Explaining the purpose of code components

  Naming Conventions ↔️ Using descriptive names for code elements

  Unit Testing ↔️ Ensuring individual components work correctly
• Comprehensive unit tests facilitate refactoring and bug fixing
• What is the purpose of docstrings in maintainable code?

  Explain function details
• Maintainable code is easier to modify and debug over time.


  True