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Software Development Life Cycle (SDLC)

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Transcript

  • 1.  
  • 2. Agenda:
    • SDLC
    • Models:
      • Water Fall Model.
      • Spiral Model.
      • Agile Model.
  • 3. SDLC:
    • Stands for Software Development Life Cycle.
    • Standard model used word wide to develop a software.
    • Necessary to ensure the quality of the software.
    • Logical steps taken to develop a software product.
  • 4.  
  • 5. SDLC:
    • Analysis.
    • Planning.
    • Implementation.
    • Testing.
  • 6. 1-Analysis:
    • The first and the most important phase in the SDLC.
    • Determine where the problem is.
    • Breaking down the system.
    • Requirements.
    • Must be done carefully.
    • Any error in this phase will cost a lot !!
  • 7. 2-Planning:
    • Determine who will do what !
    • Tasks are assigned to team members.
    • It all starts here.
  • 8. 3-Implementation:
    • -The most expensive phase.
    • Also the longest one!
  • 9. 4-Testing:
    • The never ending phase.
    • In this phase we TEST, TEST, TEST, and TEST.
    • Very important phase.
  • 10. SDLC Models:
    • Water Fall Model
    • Spiral Model
    • Agile Model
  • 11. Water Fall Model: The waterfall model is the oldest and most widely used model in the field of software development.
  • 12. Advantages & Disadvantages:
    • Advantages:
      • Linear model.
      • Documentation.
      • Testing (software coding).
    • Disadvantages:
      • Unidirectional.
      • Unclear requirements lead to confusion.
      • Client’s approval is in the final stage.
  • 13. Spiral Model:
  • 14. Advantages & Disadvantages:
    • Advantages:
      • Large and complicated projects.
      • Adaptability with changes.
      • Testing at each phase.
    • Disadvantages:
      • Works on complicated projects only.
      • An experienced and skilled team are required.
  • 15. Agile Model: Prioritize Verification Implementation Design Requirements
  • 16.  
  • 17. Key Features of Agile Software Development :
    • Iterative.
    • Active Customer involvement.
    • Fixed Time.
    • Priority based delivery.
  • 18. Key Features of Agile Software Development (cont’d):
    • Adaptive.
    • Empowered Teams.
    • Rapid development.
    • Simplicity.
  • 19. Agile working flow STORY BOARD:
  • 20. Advantages & Disadvantages:
    • Advantages:
      • Customer Satisfaction.
      • Saves Time.
      • Testing.
      • Suitable for fixed or changing requirements.
    • Disadvantages:
      • Not suitable for handling complex dependencies.
      • More risk of sustainability, maintainability and extensibility.
      • Strict delivery management dictates the scope, functionality to be delivered, and adjustments to meet the deadlines.
  • 21. Summary:
    • SDLC
    • SDLC Models:
      • Water Fall Model.
      • Spiral Model.
      • Agile Model.
  • 22.  
  • 23.  
  • 24.