Introduction to Software Engineering
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Questions and Answers

What is the primary advantage of adhering to a life cycle model?

  • Confining attention to a few models
  • Developing software in a chaotic and undisciplined manner
  • Creating project failure
  • Helping the team understand when to do what (correct)

    • When is a phase considered complete in a life cycle model?

  • Even if some exit criteria are not met
  • When team members agree it is complete
  • When all entry criteria are satisfied
  • Only when all exit criteria are satisfied (correct)

    • What must happen before a phase can start in a life cycle model?

  • Phase-entry criteria are satisfied (correct)
  • All exit criteria are satisfied
  • Team members review the phase
  • The phase becomes easier to manage

    • What is the purpose of defining entry and exit criteria for every phase in a life cycle model?

    <p>To make sure each phase is complete and ready for the next</p> Signup and view all the answers

    Why would a lack of precise understanding lead to project failure in software development?

    <p>Because it can lead to miscommunication and errors</p> Signup and view all the answers

    What helps software project managers monitor the progress of a project according to the text?

    <p>Using life cycle models</p> Signup and view all the answers

    What is the purpose of the Software Requirements Specification (SRS) document in the life cycle model?

    <p>To be reviewed and approved by the customer</p> Signup and view all the answers

    Why is confining attention to a few important and commonly used models mentioned in the text?

    <p>To highlight focus on models like iterative waterfall and prototyping</p> Signup and view all the answers

    What does NOT help in developing software in a systematic and disciplined manner according to the text?

    <p>Ignoring all project milestones</p> Signup and view all the answers

    When is a design defect most likely to be detected according to the text?

    <p>During coding</p> Signup and view all the answers

    In which phase should errors ideally be detected according to the text?

    <p>Design phase</p> Signup and view all the answers

    What is the term used for detecting errors close to their point of introduction according to the text?

    <p>Phase containment of errors</p> Signup and view all the answers

    Which model is mentioned as the most widely used model from which almost every other model is derived?

    <p>Waterfall model</p> Signup and view all the answers

    When should a working prototype of the system be built according to the text?

    <p>Before coding</p> Signup and view all the answers

    What should be done if a defect is detected in a specific phase of the life cycle?

    <p>Go back to the phase where it was introduced and redo work from that phase onwards</p> Signup and view all the answers

    Which phase in the SDLC is essential for detecting design problems early on?

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

    What principle focuses on detecting errors as close as possible to their point of introduction?

    <p>'Phase containment of errors' principle</p> Signup and view all the answers

    Which model should be used for building a working prototype before actual development starts?

    <p>'Prototyping Model'</p> Signup and view all the answers

    In which phase should a project team go back to when a defect is detected according to the text?

    <p>The phase where the defect was introduced</p> Signup and view all the answers

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