Structured Programming

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Questions and Answers

Which programming approach did Edsger W Dijkstra coin the term for?

  • Procedural programming
  • Functional programming
  • Object-oriented programming
  • Structured programming (correct)

Which of the following programming languages does NOT support jumping from one instruction to another using statements like GOTO?

  • C++
  • C (correct)
  • Java
  • Assembly

What are the three types of elements in a structured program?

  • Sequence of statements, branching of statements, iteration of statements
  • Sequence of statements, selection of statements, iteration of statements (correct)
  • Sequence of statements, decision statements, loop statements
  • Sequence of statements, conditional statements, loop statements

What are the advantages of structured programming?

<p>Easy to read, understand, and maintain (C)</p> Signup and view all the answers

What is a disadvantage of structured programming?

<p>Takes time to convert into machine code (C)</p> Signup and view all the answers

Which programming languages are examples of structured programming languages?

<p>C, C++, Java (A)</p> Signup and view all the answers

Which type of elements are included in a structured program?

<p>Sequence of Statements (C)</p> Signup and view all the answers

What is the main advantage of structured programming?

<p>Easy to read, understand, and maintain (B)</p> Signup and view all the answers

What is a characteristic of structured programs?

<p>Single-entry and single-exit (B)</p> Signup and view all the answers

What is a disadvantage of structured programming?

<p>Conversion to machine code is not same as assembly language (C)</p> Signup and view all the answers

Flashcards

What is structured programming?

Structured programming is a programming paradigm that emphasizes the use of control flow structures like sequences, selections, and iterations to create programs that are easier to read, understand, and maintain.

What are the building blocks of structured programming?

Structured programming encourages using control flow structures like 'if-then-else', 'for loops', and 'while loops' to organize program flow.

Who coined the term 'structured programming'?

Edsger W. Dijkstra coined the term 'structured programming' to describe this approach to code development.

What is a characteristic of structured programs?

Structured programs typically have a single entry point and a single exit point, promoting clear and predictable execution.

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What is the main advantage of structured programming?

Structured programming emphasizes readability and maintainability, making it easier for programmers to understand and modify code.

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What is a benefit of structured programming?

Structured programming is often seen as a more disciplined and organized approach to writing code, leading to better software quality.

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How does structured programming help with code development?

Structured programming encourages breaking down complex problems into smaller, manageable components, making code easier to develop and debug.

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What is a potential disadvantage of structured programming?

Structured programming emphasizes using high-level programming constructs that can be translated into machine code, often with a performance penalty.

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What are some features of structured programming languages?

Structured programming languages typically provide constructs like 'if-then-else', 'for loops', and 'while loops' to control program flow, while avoiding direct jumps (like 'goto')

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What are some examples of structured programming languages?

C, C++, Java, and Pascal are examples of popular structured programming languages.

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Study Notes

Programming Approaches and Concepts

  • Edsger W. Dijkstra coined the term "structured programming," emphasizing the use of clear and distinct control structures in programming.

GOTO Statements in Programming

  • Languages such as Python, Java, and C# do NOT support GOTO statements, promoting structured programming techniques instead.

Elements of Structured Programs

  • Three types of elements in a structured program include:
    • Sequential Control: Executes statements in a linear fashion.
    • Selection Control: Executes different statements based on conditions (e.g., if-else).
    • Iteration Control: Repeats statements using loops (e.g., for, while).

Advantages of Structured Programming

  • Enhances code clarity and readability, making it easier to understand and maintain.
  • Facilitates debugging and testing, reducing the likelihood of errors in code.
  • Encourages modular design, promoting code reuse and organization.

Disadvantages of Structured Programming

  • May lead to increased complexity in very large programs, complicating management and navigation of the codebase.
  • Can be less flexible compared to other paradigms, limiting certain programming practices or styles.

Examples of Structured Programming Languages

  • Common structured programming languages include:
    • C
    • Pascal
    • Ada
    • Java

Characteristics of Structured Programs

  • Emphasize logic and flow control through predetermined constructs (e.g., loops and conditionals).
  • Promote a top-down approach to problem-solving, starting from general to specific tasks.

Main Advantages of Structured Programming

  • Improves overall program quality through organized control structures, leading to fewer bugs and less confusion during future modifications.

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