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Assignment10.1

Assignment10.1 - Which of the system changeover methods is...

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Which of the system changeover methods is the most expensive? Why? Provide an example . The Parallel Operation changeover method requires operation of both the old system and new systems to a specified period of time. Data should be inputted into both new as well as the old system and outputs are compared with the two systems for a specific period of time. If IT department fells the new system is working perfectly, the old system is terminated. Parallel operation is the most expensive changeover method than any other methods. Because both the new and old system are in full operation and the employees have to work on both systems and the organization has to hire more temporary human resource to handle the extra workload such as data entry and other processes. Which of the system changeover methods is the most risky? Why? Provide an example. Direct cutover is like a switch that immediately changes over to new system from the old system. Direct Cutover causes the changeover from the old system to the new system immediately when the new system becomes operational. Direct cutover method involves high risk regardless of how carefully the program is
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