In the parallel approach to systems implementation, both the new and old systems operate together for a period of time.

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In the parallel approach, the new system is implemented alongside the old system for a certain period of time, during which both systems operate together until it is certain that the new system is functioning properly and all data has been transferred successfully. This helps to minimize the risk of data loss, downtime, or other disruptions during the transition to the new system.

In the Parallel Approach to Systems Implementation, Both the New