15 Questions
Which model involves a sequential design process, where progress is seen as flowing steadily downwards through the phases like a waterfall?
Waterfall model
In which approach is development seen as a series of tiny projects where each increment is a complete system and builds upon the previous increment?
Agile model
Which concept emphasizes the connection between different parts of a system ensuring that they operate together effectively?
Integration and configuration
Which development method aims to reduce risk by developing a system in small modules that are delivered incrementally?
Incremental development model
What type of system is assembled from existing configurable components based on the given information?
Configurable system
What phase in the software development process is responsible for combining individual modules to form a complete system?
Integration and system testing
Which software development approach involves breaking the system development into small segments and building them incrementally?
Incremental development
Which phase ensures that each module or component of the software functions correctly on its own before they are integrated?
Implementation and unit testing
Which testing phase evaluates the interactions between different modules or components of the software system?
Integration and system testing
In which software development process does the development progress through a linear sequence of phases from requirements to testing?
Waterfall model
Why does incorporating further software changes become increasingly difficult and costly?
As a result of regular changes leading to structural decay
What is the consequence of integrating systems solely from existing components or COTS systems?
Increased difficulty and cost in modifying the system
How does the waterfall model typically handle software changes compared to incremental development?
Incremental development leads to more frequent system refactoring
What can happen if regular changes to a system are not carefully managed?
The system's structure may decay over time
Why might adding additional features to a system increase its complexity and cost?
As a result of potential difficulties in integrating new features without affecting the existing structure
Study Notes
Software Development Approaches
- The waterfall model involves a sequential design process, where progress flows steadily downwards through the phases, similar to a waterfall.
Incremental Development
- Incremental development involves a series of tiny projects, where each increment is a complete system and builds upon the previous increment.
System Integration
- The concept of integration emphasizes the connection between different parts of a system, ensuring they operate together effectively.
Risk Reduction
- The incremental development method aims to reduce risk by developing a system in small modules that are delivered incrementally.
System Assembly
- A system is assembled from existing configurable components based on given information.
Software Development Phases
- The integration phase combines individual modules to form a complete system.
- The unit testing phase ensures that each module or component of the software functions correctly on its own before they are integrated.
- The integration testing phase evaluates the interactions between different modules or components of the software system.
Linear Software Development
- The waterfall model involves development progressing through a linear sequence of phases from requirements to testing.
Software Changes
- Incorporating further software changes becomes increasingly difficult and costly due to the complexity and interdependence of the system.
- The waterfall model typically handles software changes less effectively compared to incremental development, which accommodates changes more easily.
COTS Systems
- Assembling a system solely from existing components or COTS systems can lead to a lack of customizability and limited integration capabilities.
System Complexity
- Failing to carefully manage regular changes to a system can lead to increased complexity and cost.
- Adding additional features to a system can increase its complexity and cost due to the interdependence of components.
Learn about how integration, configuration, and verification are interconnected in software development processes. Explore how systems are built using configurable components.
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