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Explain about the Spiral Model
This model can be considered as the model that combines the strengths of various other models. Conventional software development processes don't take uncertainties into account. Vital software projects have failed due to unforeseen risks. Other models view the software process asa linear activity while this model considers it as a spiral process. Thesis made by representing iterative development cycle as an expanding spiral.
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Throw-away prototyping Objective: The principal objective of this model is to validate or to derive the system needs. It is developed to decrease requirement risks.
Sample answered questions
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Parallel/audit testing is testing where the user reconciles the output of the latest system to the output of the present system to determine the new system performs the operations
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