Podcast
Questions and Answers
What distinguishes a predictive model from an adaptive model in software engineering?
What distinguishes a predictive model from an adaptive model in software engineering?
- Predictive models focus on continuous adaptation, while adaptive models rely on initial planning.
- Predictive models quickly adapt to change, while adaptive models focus on detailed future planning.
- Predictive models predict future outcomes based on past and current data, while adaptive models emphasize continuous adaptation to the work. (correct)
- Predictive models work best with inexperienced teams, while adaptive models require experienced teams.
In which scenario is the Waterfall model most suitable for software development?
In which scenario is the Waterfall model most suitable for software development?
- When risk management needs to be performed iteratively throughout the project.
- When the development team has limited experience.
- When the project requires a high degree of flexibility due to uncertain requirements.
- When the requirements are precisely known in advance and unlikely to change. (correct)
What is a key advantage of the Waterfall model?
What is a key advantage of the Waterfall model?
- It allows for easy incorporation of changes during the development process.
- It encourages constant communication and feedback throughout the project lifecycle.
- It provides easy implementation and understanding due to its straightforward structure. (correct)
- It facilitates effective risk management at any stage of development.
How does the Waterfall model with feedback address a key limitation of the pure Waterfall model?
How does the Waterfall model with feedback address a key limitation of the pure Waterfall model?
What characterizes the Sashimi model as a variation of the Waterfall model?
What characterizes the Sashimi model as a variation of the Waterfall model?
Which of the following is an advantage of the Sashimi model?
Which of the following is an advantage of the Sashimi model?
What is the key characteristic of the incremental Waterfall model?
What is the key characteristic of the incremental Waterfall model?
In what situation is the incremental Waterfall model most appropriate?
In what situation is the incremental Waterfall model most appropriate?
What is a potential disadvantage of using the incremental Waterfall model?
What is a potential disadvantage of using the incremental Waterfall model?
What is a key characteristic of the V-model?
What is a key characteristic of the V-model?
How does the V-model differ from the pure Waterfall model in terms of testing?
How does the V-model differ from the pure Waterfall model in terms of testing?
What is a limitation of the V-Model?
What is a limitation of the V-Model?
What is the primary reason software engineering models are needed?
What is the primary reason software engineering models are needed?
Which of the following is a benefit of using process models in software development?
Which of the following is a benefit of using process models in software development?
Which model is characterized by breaking down project activities into linear sequential phases, with each phase depending on the deliverables of the previous one?
Which model is characterized by breaking down project activities into linear sequential phases, with each phase depending on the deliverables of the previous one?
What is the defining characteristic of an adaptive software development model?
What is the defining characteristic of an adaptive software development model?
Which of the following is a reason to use the incremental waterfall model?
Which of the following is a reason to use the incremental waterfall model?
Which of the following is considered a 'weakness' of modified waterfall models?
Which of the following is considered a 'weakness' of modified waterfall models?
What is an example of a predictive model?
What is an example of a predictive model?
What is an example of an adaptive model?
What is an example of an adaptive model?
What kind of process is Software Engineering considered to be?
What kind of process is Software Engineering considered to be?
Which is a type of Software Metric?
Which is a type of Software Metric?
What is one benefit of using process models?
What is one benefit of using process models?
Which of these is a proposed process model?
Which of these is a proposed process model?
What is the Software Development Life Cycle (SDLC)?
What is the Software Development Life Cycle (SDLC)?
Which of the following is NOT a step in the process of Software Engineering?
Which of the following is NOT a step in the process of Software Engineering?
Which model works well when there is personnel continuity?
Which model works well when there is personnel continuity?
Flashcards
Software Metrics
Software Metrics
Metrics used to evaluate aspects of the software development process, product, or project.
SDLC
SDLC
A step-by-step approach for developing software products.
Predictive Model
Predictive Model
A process model where future outcomes are predicted based on past and current data.
Adaptive Model
Adaptive Model
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Waterfall Model
Waterfall Model
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Waterfall with Feedback
Waterfall with Feedback
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Sashimi Model
Sashimi Model
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Incremental Waterfall Model
Incremental Waterfall Model
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V-Model
V-Model
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V-Model Definition
V-Model Definition
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Study Notes
Software Engineering Process
- The process of software engineering includes project start, requirement gathering, analysis, architecture design (high and low-level design), implementation (code design), testing, deployment, and maintenance
Engineering Design
- Engineering design is a series of steps that engineers follow to solve a problem
- Software Development Life Cycle (SDLC) is a step-by-step approach for developing products
Predictive vs. Adaptive Models
- Predictive models predict software engineering outcomes using past and current data
- Predictive models divide project activities into linear sequential tasks
- Predictive methods focus on detailed planning
- Predictive teams can report planned features and tasks for the entire project
- Predictive teams struggle with changes, requiring restarts for altered directions
- Adaptive models embody continuous process adaptation
- Adaptive methods focus on adapting quickly
- Adaptive teams change with project requirements
- Adaptive teams cannot report future tasks exactly
- Agile is an example of an adaptive method
Software Engineering Process Models
- Proposed process Models include: Waterfall, Iterative, Spiral, Extreme Programming (XP), Agile, and Rapid Application Development (RAD)
- Software engineering models are needed for standardization and optimization
- Using these models offers benefits like quality, mutual understanding, documentation, improvement/optimization, standardization, multiple perspectives, traceability, and early error detection
Waterfall Process Model
- This model breaks project activities into sequential phases
- Each phase depends on the deliverables of the previous one
- This model suites projects where requirements are precisely known in advance
- Absence of unresolved high-risk items and very little changes during development
- Requires more knowledgable and experienced team
Waterfall-Model Advantages
- Easy to implement and understand
- Used in most of the projects
- Milestone dates and task definitions are set, and require sign-off to continue along project lifecycle
Waterfall-Model Disadvantages
- No iterations
- Serious issues are often discovered late
- Risk management cannot be performed
- Changes are difficult and expensive
- Costly overhead
Waterfall with Feedback
- A variation of the waterfall model that allows a process to return to a previous phase if problems in the current phase are discovered
- Flexibility provided is due to unpredicted changes being very common
- Productivity can be improved
Sashimi-Model
- A type of waterfall model with overlapping phases
- Overlapping phases can reduce documentation, schedule, and works well if staff continuity is present
Sashimi-Model Disadvantages
- Milestones are very ambiguous
- Progress is difficult to track
Incremental Waterfall Model
- Involves breaking requirements into multiple standalone modules
- Each module follows the software development cycle
- Good for clearly understood systems and those with software engineering teams which are less trained or skilled
- Also beneficial for high-risk features/goals
Incremental Waterfall Model Advantages
- Software can be generated quickly through project life cycle
- Flexibility in changing requirements or requirements
- Changes can be done though all the development stages
- Usually this model is less costly compared to waterfall Model
- Errors can easily be identified
Incremental Waterfall Model Disadvantages
- Requires good planning designing
- Problems might persist due to the system architecture as not all the requirements are determined early
- Each iteration phase is rigid and does not overlap each other
- Fixing problems requires correction across all individual units
V-Model
- A Software Development Life Cycle (SDLC) model with processes executed sequentially
- Processes are executed in a V-shape, where verification and validation occur
- It is an extension of the waterfall model, with the verification and validation on opposite ends of the "V"
- Delivers are based on each phase and is simple and easier to use
- Suitable for small projects with simple requirements but there is very little flexibility, similar to the waterfall model
V-Model vs. Pure Waterfall
- The V-Model's guarantee of success is High compared to the Low guarantee of success of the Waterfall model
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