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Questions and Answers
What is the primary outcome of the software development activity?
What is the primary outcome of the software development activity?
Which role is specifically responsible for the software development activity?
Which role is specifically responsible for the software development activity?
Which of the following is NOT a pre-condition for the software development activity?
Which of the following is NOT a pre-condition for the software development activity?
What does the post-condition of the software development activity indicate?
What does the post-condition of the software development activity indicate?
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What is the outcome of the software development activity specifically for a calculator application?
What is the outcome of the software development activity specifically for a calculator application?
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What are the pre-conditions required before the software development process begins?
What are the pre-conditions required before the software development process begins?
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Which statement best reflects a misconception about software processes?
Which statement best reflects a misconception about software processes?
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Which of the following statements about roles in software development is accurate?
Which of the following statements about roles in software development is accurate?
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What characterizes plan-driven processes?
What characterizes plan-driven processes?
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In what scenario is a plan-driven approach typically required?
In what scenario is a plan-driven approach typically required?
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Which of the following models is an example of a plan-driven process?
Which of the following models is an example of a plan-driven process?
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What is a major limitation of the waterfall model?
What is a major limitation of the waterfall model?
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How do agile processes differ from plan-driven processes?
How do agile processes differ from plan-driven processes?
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Which software process incorporates elements of both plan-driven and agile approaches?
Which software process incorporates elements of both plan-driven and agile approaches?
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What does reuse-oriented software engineering focus on?
What does reuse-oriented software engineering focus on?
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What is a common characteristic of practical software processes?
What is a common characteristic of practical software processes?
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What is a software process?
What is a software process?
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Which of the following is NOT typically considered a software process activity?
Which of the following is NOT typically considered a software process activity?
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What is a software process model?
What is a software process model?
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Which of the following is an example of a software process model?
Which of the following is an example of a software process model?
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What are products in the context of software processes?
What are products in the context of software processes?
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Which of these statements about coping with change in software processes is correct?
Which of these statements about coping with change in software processes is correct?
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In software processes, what is the role of activities?
In software processes, what is the role of activities?
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Which of the following best describes incremental development as a software process model?
Which of the following best describes incremental development as a software process model?
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What is a primary limitation of the waterfall model in software development?
What is a primary limitation of the waterfall model in software development?
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What is NOT a benefit of incremental development?
What is NOT a benefit of incremental development?
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Which issue associated with incremental development concerns visibility?
Which issue associated with incremental development concerns visibility?
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What problem arises from continuously adding increments to a system in incremental development?
What problem arises from continuously adding increments to a system in incremental development?
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How does incremental development facilitate customer engagement?
How does incremental development facilitate customer engagement?
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Which of the following best describes a unique challenge in the specification process of incremental development?
Which of the following best describes a unique challenge in the specification process of incremental development?
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Which characteristic is not typical of the waterfall model?
Which characteristic is not typical of the waterfall model?
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What aspect of incremental development may lead to increased difficulty and cost over time?
What aspect of incremental development may lead to increased difficulty and cost over time?
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Study Notes
Software Process Overview
- Software process involves activities required to develop a software system.
- Key components include software process activities, products, roles, and pre- & post-conditions.
Software Process Activities
- Activities like specifying a data model and designing a user interface fall under software process activities.
- These activities can be described through various models like the Waterfall Model and Incremental Development.
Software Process Models
- A software process model simplifies the representation of activities and their sequencing.
- Common models include:
- Waterfall Model: A plan-driven approach with distinct phases of specification and development.
- Incremental Development: Combines specification, development, and validation; can be either plan-driven or agile.
- Reuse-oriented Software Engineering: Assembles new systems from existing components.
Product Outcomes
- Each software process activity has specific products; for instance, "designing a graphical user interface" results in a "user graphical interface design."
Roles in Software Processes
- Roles define who is responsible for specific activities (e.g., requirements engineer for designing GUIs).
Preconditions and Postconditions
- Preconditions are necessary requirements before an activity begins (e.g., understanding requirements for GUI design).
- Postconditions assess outcomes after the activity is complete (e.g., obtaining user approval for the design).
Plan-driven vs. Agile Processes
- Plan-driven Processes: Activities are planned in advance; progress is measured against the original plan.
- Agile Processes: Allow for incremental planning; adaptability to changing customer requirements is a hallmark.
Waterfall Model Characteristics
- Primarily applied in large-scale system engineering, aiding coordination across multiple sites.
- Struggles with accommodating change; phases must be completed before progressing, making it suitable only when requirements are stable.
Incremental Development
- Facilitates easier accommodation of changing requirements, reducing re-analysis and re-documentation costs.
- Allows for early customer feedback through demonstrations, improving satisfaction and product relevance.
- Problems include lack of process visibility and challenges in maintaining system structure over time.
Incremental Development Problems
- Regular deliverables needed for measuring progress may not be feasible in fast-paced development.
- Risk of system degradation due to unrefined regular changes; refactoring is necessary to maintain structure.
- Specification development may happen alongside software development, potentially leading to contract conflicts.
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Description
Explore the essentials of software processes including key activities and various models such as Waterfall and Incremental Development. Understand the roles and outcomes involved in software system development through different methodologies. Test your knowledge on how software processes can be structured and managed.
