What is RAD model ?
The full name of RAD model is Rapid Application Development Model. Rapid Application Development is a software development methodology that uses minimal planning in favor of rapid prototyping.
In RAD model, less attention is given to planning and more priority is given to development works.
How many phases of RAD model are there?
The different stages of RAD model are as follows:-
- Requirements Planning
- User Description
- Construction
- Cutover
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Requirements Planning
This phase combines elements of systems planning and systems analysis of the systems development life cycle. In this phase, the project requirement is collected and the project planning is done. It involves a complete structured plan describing the critical data, the way it is obtained and then processing it to build the final sophisticated model.
User Description
This phase is an ongoing interactive process that allows users to understand, modify and finally approve a working model of the system that best meets their needs.
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Construction
In this phase, the refinement and delivery of the prototype takes place. It involves the actual use of powerful automated tools to transform the process and data model into the final working product. All necessary modifications and enhancements are also done in this phase.
Cutover
This is the final stage of the RAD model, which includes data transformation testing, new system transitions, and user training.
When to use RAD Model?
- When a system needs to be built in a short period of time, the RAD model is used.
- When you know the needs.
- When the budget is sufficient to afford the designers for modeling as well as the cost of automated tools for code generation.
- This model is used even when the technical risk is low.
- This model is used when the user is involved in the entire life cycle.
What are the benefits of RAD Model?
- It is flexible and adaptable to changes.
- It has low cost as fewer developers are required.
- The use of powerful development tools in this model results in better quality products in a relatively short period of time.
- In this, the progress and development of the project can be measured through different stages.
- It uses reusable components, which helps reduce the cycle time of the project.
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Conclusion - Conclusion
I think from this post, I have given you good information in Hindi about what is Red Model in Software Engineering, how many steps are there in this model and where to use it.
If still you have any other question regarding RAD Model then you can ask us through comment.