... data Not well documented Insufficient training 3. Prototyping The waterfall model of the system life cycle doesn't allow for modifications to the design. Benefits of prototyping * Misunderstandings between software developers and users can be identified; * Missing functions may be detected; * Incomplete or inconsistent user requirements may be detected; * A prototype version will be quickly available to demonstrate the feasibility to management; * The prototype can sometimes be used for training before the final system is delivered. 4. Preliminary Survey An initial survey establishes whether or not a new system is needed. The survey will normally be prompted by a perception within the organisation's management that the existing system is not performing as required - staff may be unhappy or performance/productivity may by falling or it may simply be that there is a feeling within the senior management that developments in IT should allow a more effective system to be implemented. If ...

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