Section 4: Systems life cycle

You should have an understanding of the systems life cycle and an understanding of applying it to workplace scenarios (such as introducing a new system or upgrading an existing system in a typical ICT application). You should be able to compare and contrast methods, and be able to discuss the advantages and disadvantages of the different methods used at each stage.
  1. Why build new ICT systems? (weblink)

  2. Why do we need the Systems Life Cycle? (weblink)


    The SLC: A Brief Interactive Overview




This section is broken into six sub-topics. To introduce the subject, have a thorough look throough the interactive chart below before you tackle each sub-topic in order:

What is systems analysis? (weblink)


LifeCycleInterIMG.png

1. Analysis

analysis.jpg

  1. Researching the current system (weblink)

  2. Analysing the current system (weblink)

  3. Investigation & analysis

  4. Investigation & analysis : Methods

  5. Investigation & analysis: Data Flow Diagrams

Resources to help you:

analysis2PPT.png
analsis1.pnganalysis2.png analysisBWX.png
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2. Design

design.jpg
  1. Designing a new system (weblink)

Classroom resources:

DesignIMG.png IGdesign.png SLCDesignIMG2.png
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3. Development & Testing

devtesting.jpg
  1. Development & testing (weblink)

Classroom resources:

DevTestIMG.png SLCTesting.png




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4. Implementation

implementation.png
  1. Implementing the new system (weblink)

Classroom resources:

ImplemIMG.png IGimplement.png

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5. Documentation

documentation.png
  1. Documenting the new system (web link)

Classroom resources:

DocIMG.png SLCUserDocsIMG.png

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6. Evaluation

evaluation.png
  1. Evaluating the new system (weblink)

Classroom resources:

SLCevaluation.png SLCInterReviewIMG.png

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