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Which Software Life Cycle Model incorporates both elements of the waterfall model and prototyping, allowing for iterative development with customer feedback

Question

Which Software Life Cycle Model incorporates both elements of the waterfall model and prototyping, allowing for iterative development with customer feedback

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Solution

The Software Life Cycle Model that incorporates both elements of the waterfall model and prototyping, allowing for iterative development with customer feedback, is the Spiral Model.

Here are the steps of the Spiral Model:

  1. Identify: This phase starts with gathering the business requirements in the baseline spiral. In the subsequent spirals as the product matures, identification of system requirements, subsystem requirements, and unit requirements are all done in this phase.

  2. Design: This phase starts with the conceptual design in the baseline spiral and involves architectural design, logical design of modules, physical product design and the final design in the subsequent spirals.

  3. Construct or Build: This includes coding, testing, and installation.

  4. Evaluation and Risk Analysis: Risk Analysis includes identifying, estimating, and monitoring technical feasibility and management risks, such as schedule slippage and cost overrun. After testing the build, at the end of first iteration, the customer evaluates the software and provides feedback.

These steps are repeated in a cyclical fashion, allowing for continuous development and refinement based on customer feedback.

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