Real life situation of protyping model
Answers
Answer:
A good example of real-life users of this model would be e-commerce websites. A site like eBay for example. When deciding on a product purchase interface for customers, they will see many prototypes first so as to choose the most appealing one
Explanation:
The basic idea in Prototype model is that instead of freezing the requirements before a design or coding can proceed, a throwaway prototype is built to understand the requirements. This prototype is developed based on the currently known requirements. Prototype model is a software development model. By using this prototype, the client can get an “actual feel” of the system, since the interactions with prototype can enable the client to better understand the requirements of the desired system. Prototyping is an attractive idea for complicated and large systems for which there is no manual process or existing system to help determining the requirements.
The prototype are usually not complete systems and many of the details are not built in the prototype. The goal is to provide a system with overall functionality.Advantages of Prototype model:
Users are actively involved in the development
Since in this methodology a working model of the system is provided, the users get a better understanding of the system being developed.
Errors can be detected much earlier.
Quicker user feedback is available leading to better solutions.
Missing functionality can be identified easily
Confusing or difficult functions can be identified
Requirements validation, Quick implementation of, incomplete, but
functional, application.
Disadvantages of Prototype model:
Leads to implementing and then repairing way of building systems.
Practically, this methodology may increase the complexity of the system as scope of the system may expand beyond original plans.
Incomplete application may cause application not to be used as the
full system was designed
Incomplete or inadequate problem analysis.
When to use Prototype model:
Prototype model should be used when the desired system needs to have a lot of interaction with the end users.
Typically, online systems, web interfaces have a very high amount of interaction with end users, are best suited for Prototype model. It might take a while for a system to be built that allows ease of use and needs minimal training for the end user.
Prototyping ensures that the end users constantly work with the system and provide a feedback which is incorporated in the prototype to result in a useable system. They are excellent for designing good human computer interface systems.
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