Information Technology IT – 16 System life cycle | e-Consult
16 System life cycle (1 questions)
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RAD is an iterative software development methodology that emphasizes rapid prototyping and user feedback. It aims to reduce development time by using techniques such as:
- Prototyping: Creating working prototypes early in the development process to gather user feedback and refine requirements.
- Timeboxing: Setting fixed time periods (timeboxes) for each phase of development.
- Use of reusable components: Leveraging pre-built components and libraries to speed up development.
- Parallel Development: Allowing different teams to work on different parts of the system concurrently.
Advantages of RAD:
- Faster development times: Rapid prototyping and parallel development can significantly reduce development time.
- Improved user satisfaction: Early and frequent user feedback ensures the software meets user needs.
- Reduced risk: Problems are identified and addressed early in the development process.
Disadvantages of RAD:
- Requires strong user involvement: RAD relies heavily on user feedback, so users must be available and engaged.
- Can be difficult to manage: Parallel development can be complex to coordinate.
- May compromise quality: The focus on speed can sometimes lead to shortcuts that compromise quality.
- Not suitable for large or complex projects: RAD is most effective for smaller, well-defined projects.
Example of a suitable application for RAD: A small business application, such as a customer relationship management (CRM) system or an internal database application. These projects typically have relatively well-understood requirements and can benefit from rapid prototyping and user feedback.