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SYSTEMS LIFE CYCLE, ANALYSIS - Coggle Diagram

- - - - Appropriate spacing for each field.
      - Screen filled/not too much white space.
      - Clearly defined input area for each field.
      - An easy to read font/font size.
      - A sensible font colour/background colour.
      - Drop down lists and tick boxes.
      - No overlapping of items.
      - Navigation aids
- - - - User Interface
  - - - Abnormal Data(Less than 0% or more than 100%)
      - Normal data (10% to 90%)
      - Extreme data(0% to 5%) and (95% to 100%
- - - - The existing system is stopped and replaced by the new system immediately.
    - - The new system is gradually introduced.Eventually the old system will be phased out over a period of time.
    - - The existing and new system work together for a period of time
    - - The new system is piloted (trialed) in one part (department) of an organisation
- - - - Evaluate the users’ responses to the results of testing the system.