Understanding Software Engineering Principles

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Questions and Answers

What is one of the factors contributing to the software crisis?

  • Proper user interface
  • Increasing skill shortage (correct)
  • Adequate training in software engineering
  • Small program size

In software engineering, what is emphasized in modern practices compared to the exploratory style?

  • Error correction
  • Error prevention (correct)
  • Lack of proper documentation
  • Ad hoc development

What is a common characteristic of programs compared to software products?

  • Lacks proper user interface (correct)
  • Small number of users
  • Well-designed interface
  • Team of developers

Why do software products often contribute to the software crisis?

<p>Expensive and difficult to alter (D)</p>
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What is the primary advantage of adhering to a life cycle model?

<p>Ensuring team members have a clear understanding of their tasks (A)</p>
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What is the main focus of software engineering according to the text?

<p>Developing software systematically (D)</p>
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When is a phase considered complete in a life cycle model?

<p>When all its exit criteria are satisfied (C)</p>
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What happens if the phase-entry criteria are not satisfied?

<p>The phase cannot start (B)</p>
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What is the purpose of defining entry and exit criteria for each phase in a life cycle model?

<p>To ensure the team follows a systematic approach (D)</p>
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How does adhering to a life cycle model help software project managers?

<p>By making it easier to monitor project progress (B)</p>
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In a life cycle model, when can a phase be considered complete?

<p>When all its exit criteria are satisfied (C)</p>
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What is a key difference between the exploratory style and modern software development practices?

<p>Modern practices focus on detecting errors in each phase of development. (D)</p>
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What aspect of software testing has become systematic in modern practices?

<p>Availability of standard testing techniques. (B)</p>
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What does a software life cycle model establish?

<p>A precedence ordering among the different activities. (C)</p>
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Why is a written description of a life cycle model important?

<p>To help in identifying inconsistencies and redundancies in the development process. (A)</p>
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What must the development team do in relation to a life cycle model?

<p>Identify a suitable model and adhere to it. (B)</p>
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What is the main focus of modern software development practices regarding error detection?

<p>Detecting errors at every phase of development. (A)</p>
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