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uni/year2/semester1/logseq-stuff/pages/Software Processes.md

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  • #CT216 - Software Engineering I
  • Previous Topic: Cloud Computing
  • Next Topic: Introduction to Agile Methods
  • Relevant Slides: Week 2 - Software Processes.pdf

  • The Software Process

    • What is the Software Process? card-last-interval:: 12.36 card-repeats:: 3 card-ease-factor:: 2.7 card-next-schedule:: 2022-10-19T18:39:50.523Z card-last-reviewed:: 2022-10-07T10:39:50.524Z card-last-score:: 5
      • The Software Process is a structured set of activities required to develop a software system.
    • What are the 4 fundamental activities in the Software Process? #card card-last-interval:: 3.45 card-repeats:: 2 card-ease-factor:: 2.46 card-next-schedule:: 2022-11-18T02:27:50.775Z card-last-reviewed:: 2022-11-14T16:27:50.775Z card-last-score:: 5
      • Specification
        • Talk to the customer
        • Understand the problems
        • Talk to any relevant stakeholders
      • Development
        • Map out the tasks
        • Design the software
        • Develop the solution
      • Validation
        • Does the software meet the requirements?
        • Is it what the customer wanted?
      • Evolution (maintenance)
        • Modified to adapt
        • Changes in requirements
        • Customer & Market conditions
    • The foundation of software engineering is the process.
    • The goal of software engineering is to efficiently & predictably deliver a product that meets the requirements.

  • Software Engineering Practice

    • 1) Understand the problem (Communication & Analysis)

      • Who are the stakeholders?
      • What are the unknowns?

    • 2) Plan the solution (Modelling & Software Design)

      • Have we seen this problem before?
      • Has a similar problem already been solved?
      • Can sub-problems be found?

    • 3) Carry out the plan (Write the Code)

      • Does the solution conform to the plan?
      • Has the code been reviewed for correctness?

    • 4) Examine the result (Test It)

      • Is each component testable?
      • Does the solution produce results as defined originally?

  • General Software Engineering Questions

    • What is the problem to be solved?
      • Requirements definition
    • What are the characteristics of the software (system) used to solve the problem?
      • Analysis
    • How will the system be realised / constructed?
      • Design
    • How will the system be supported long-term?
      • Maintenance

  • Overview of Software Engineering

    • There are 3 generic phrases, regardless of paradigm:
      • Definition - a focus on the What
        • System Analysis, Software Project Planning, Requirements Analysis
      • Development - a focus on the How
        • Software Design, Coding, Software Testing
      • Maintenance - a focus on Change
        • Correction, Adaption, Enhancement

  • Software Engineering Should...

    • Provide a clear statement of the project mandate & objectives
    • Create effective means of communication
    • Increase user involvement & ownership
    • Provide an effective management framework to support productivity & pragmatism
    • Establish quality assurance procedures
    • Provide sound resource estimation & allocation procedures
    • Ensure the effectiveness and durability of systems produced
    • Encourage the re-usability of code and / or solutions
    • Reduce the organisation's vulnerability to the loss of software development personnel
    • Reduce & support post implementation maintenance of system