1. Prototype Model :
Prototype Model is a software development life cycle model which is used when the customer is not known completely about how the end product should be and its requirements. So in this model, a prototype of the end product is first developed by the developers and then tested and changes were made as per customer feedback until the customer is satisfied with the prototype.
2. RAD Model :
RAD model refers to Rapid Application Development and it is type of Incremental Model. The components or functions are developed in parallel and it can handle small project as well as medium project. In this model any changes can be made in any stages. It has high productivity due to less number of people.
Difference between Prototype Model and RAD Model :
|S.No.||Prototype Model||RAD Model|
|1.||Prototype model is a software development model where a prototype is built, tested and then refined as per customer needs.||Rad model is a software development model where by the components or functions are developed in parallel as if they were mini projects.|
|2.||It is suitable for high-risk projects.||It is not suitable when technical risks are high.|
|3.||It does not give emphasis on risk analysis.||It give emphasis on risk analysis.|
|4.||In this, quick initial reviews are not possible.||In this, quick initial reviews are possible.|
|5.||It does not support automatic code generation.||It supports automatic code generation as. results in minimal code writing.|
|6.||It is best suited when the requirement of the client is not clear and supposed to be changed.||It is best suited when the customer requirements are clear.|
|7.||In this user involvement is high.||In this user Involvement is only at the beginning.|
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