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Briefly explain the terms parallel running and direct changeover as used in system implementation.

      

Briefly explain the terms parallel running and direct changeover as used in system implementation.

  

Answers


Kavungya
• Parallel running is where both the old and the new systems are run in parallel to each other (a the same time) for sometime until users have gained confidence in the new system. Data is processed on both systems in order to compare their performance, and also cross-check the results.

• Direct changeover is a complete replacement of the old system with the new system in one bold move. The old system is stopped & abandoned and the new system starts operating immediately.
Kavungya answered the question on June 5, 2019 at 11:41


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