Rapid Application Development (RAD) is a software development technique that uses prototypes to prepare the final product, accelerating development delivery by defining requirements. Prototyping allows users to preview the system and change requirements before development begins, but customers may have to wait longer for the finished product.
There are many techniques that can be used for software development. Formal techniques are considered software development methods. Rapid Application Development (RAD) is a software development technique that uses prototypes and mock versions to prepare the final product.
The prototyping process was first outlined by James Martin in 1991. He outlined rapid application development as an iterative process of prototyping. This new concept was an attempt to increase user satisfaction with the software.
Software prototyping is the process of creating mock screens and business flows within the software. These screens give the perception of a working system and allow the user to test the application. The rapid application development process is used to accelerate development delivery by clearly defining requirements.
All software has specific requirements within the application. These requirements explain how the software should work. Rapid application development uses prototypes to describe the implementation of a requirement.
There are many benefits to using a prototyping technique to develop software. This gives users a preview of how a system will behave. Prototype screens can be created much faster than a fully developed application. These screens can actually be designed and ready for viewing in hours. This instant feedback loop gives users the opportunity to change requirements before any real development begins.
Software development is a complex undertaking that takes many hours to complete. This process requires the integration of multiple teams and resources. Rapid application development gives the developer the opportunity to see an application before it is actually developed.
One downside to using prototyping is that customers often have to wait much longer for a finished product than they had to wait for prototype software. In a typical RAD session, software developers can build complete prototype systems with multiple screens in about three to six weeks. After the prototyping effort is completed, users will have to wait many months for the software to work. A prototype does not require security, networks, databases and hardware. It only works in the development environment it was created in.
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