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Explain incremental model?
The incremental model is proposed by D.L PARNAS. It is basically executed by combining elements of linear sequential model and iterative prototyping model. Incremental development refer to the process of developing to completion only a part of the requirement at a time by selectively developing kinds of the requirements, designing, coding and testing software that means these needs functions, the software product may be built up incrementally to its final configuration. This approach model shows the product partially to the customer in the starting and slowly at increased functionality to the system. That is why it is known as incremental model.
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Formal testing, usually conducted by the developer for the consumer, to demonstrate that the software meet its described requirements.
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box diagram with example
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You need to test a system though there is no documentation available and developers who developed it don't work there anymore. What would you do? - We will perform exploratory
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