Question: IT-Assurance There are four system conversion method Parallel:Old and new system are used in the same time Direct:Old system is discontinued on one day and

IT-Assurance There are four system conversion method

Parallel:Old and new system are used in the same time

Direct:Old system is discontinued on one day and the new is used on the next

Poiltentire system is used in one location

PhasedParts of the new system are implemented over time

Question:Provide an example for each in daily life.

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