System Development Life Cycle

• The software concept - identifies and defines a need for the new system
• A requirements analysis - analyzes the information needs of the end users
• The architectural design - creates a blueprint for the design with the necessary specifications for the hardware, software, people and data resources
• Coding and debugging - creates and programs the final system
• System testing - evaluates the system's actual functionality in relation to expected or intended functionality.

1. Preliminary Investigation
2. Systems Analysis
3. Systems Design
4. Systems Development
5. Systems Implementation
6. Systems Maintenance

• Waterfall Model
• Spiral model
• Agile software development
• Extreme Programming
• joint application development
• Rapid application development

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