Explain spiral development model with advantages and disadvantages The Spiral Development Model is a risk-driven software development approach that combines iterative and waterfall models. It involves repeated cycles (or spirals) to incrementally refine the software project. Each spiral consists of four major phases: Planning , Risk Analysis , Engineering , and Evaluation . Fig: Spiral Software development model Phases in the Spiral Model: Planning : Requirements are gathered and objectives are set for the project. Risk Analysis : Risks are identified, analyzed, and mitigation strategies are developed. Develop/Engineering : The actual development and testing of the product take place. Evaluation : Stakeholders/users review the progress and provide feedback, inf...
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