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What is the difference between the waterfall and agile development models?

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The waterfall and agile development models are two distinct approaches to software development: Waterfall Model: 1. _Linear and sequential_: Phases are completed one after another, with no overlap. 2. _Predictive_: Requirements are gathered upfront, and the project plan is set in stone. 3. _No...
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The waterfall and agile development models are two distinct approaches to software development: Waterfall Model: 1. _Linear and sequential_: Phases are completed one after another, with no overlap. 2. _Predictive_: Requirements are gathered upfront, and the project plan is set in stone. 3. _No flexibility_: Changes are difficult and costly to implement once the project is underway. 4. _Risk-oriented_: Emphasizes risk management and mitigation. 5. _Documentation-heavy_: Comprehensive documentation is created before development begins. Agile Model: 1. _Iterative and incremental_: Work is broken into smaller chunks, with continuous improvement and iteration. 2. _Adaptive_: Requirements are refined and adapted throughout the project. 3. _Flexible_: Changes are easily accommodated, and the project can pivot quickly. 4. _Value-oriented_: Emphasizes delivering working software and customer value. 5. _Collaborative_: Encourages cross-functional teams and customer involvement. Key differences: - Waterfall is linear, while Agile is iterative. - Waterfall is predictive, while Agile is adaptive. - Waterfall is inflexible, while Agile is flexible. - Waterfall focuses on risk management, while Agile focuses on delivering value. Agile is generally preferred for software development due to its ability to respond to change, prioritize customer needs, and deliver working software quickly. However, the Waterfall approach may be suitable for projects with well-defined requirements and minimal changes expected. read less
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"Rajesh Kumar N: Guiding Young Minds from 1 to 12 with Expertise and Care"

**Waterfall** and **Agile** are two distinct approaches to software development: ### **Waterfall:** - **Linear Process**: Follows a sequential, step-by-step approach with distinct phases (e.g., requirements, design, implementation, testing, deployment). - **Fixed Requirements**: Requirements are...
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**Waterfall** and **Agile** are two distinct approaches to software development: ### **Waterfall:** - **Linear Process**: Follows a sequential, step-by-step approach with distinct phases (e.g., requirements, design, implementation, testing, deployment). - **Fixed Requirements**: Requirements are defined upfront and changes are difficult to incorporate once the project is underway. - **Documentation-Heavy**: Emphasizes comprehensive documentation at each stage. - **Delayed Testing**: Testing occurs after the development phase is complete, which can lead to late discovery of issues. ### **Agile:** - **Iterative Process**: Uses iterative cycles (sprints or iterations) to develop and refine the product incrementally. - **Flexible Requirements**: Embraces changes and evolving requirements throughout the project. - **Collaborative**: Focuses on continuous collaboration between team members and stakeholders. - **Early and Continuous Testing**: Integrates testing throughout the development cycle, allowing for early detection of issues. In summary, Waterfall is a linear, structured approach with fixed requirements, while Agile is an iterative, flexible approach that adapts to changes and emphasizes collaboration and continuous improvement. read less
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