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ACCA Applied Knowledge · Business and Technology · Financial systems and technology

A manufacturer is developing a new reporting system. Requirements are unclear and likely to change, so the project team builds a working early version, obtains user feedback and refines it repeatedly. What is the main advantage of this prototyping approach over the traditional waterfall approach?

The main advantage of prototyping is that it exposes misunderstood or changing requirements early, because users see and comment on working versions before the final system is built. It increases user involvement and does not guarantee lower cost.

  1. AIt removes the need for any user involvement after the initial specification
  2. BIt allows misunderstood or changing requirements to be identified early, before the final system is builtCorrect
  3. CIt guarantees that the project will be completed at a lower cost than any other approach

Explanation

Prototyping uses early working versions and user feedback, so misunderstandings and changed requirements are found early. It increases rather than removes user involvement, and it does not guarantee lower cost; repeated iterations can even add cost.

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