Name and describe three methods of implementing a new computer system. For each one describe the type of situation where eachmethod might be used
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When each part of the new system has been fully tested and is known to work correctly, the next part is phased in.
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Changeover simply means to switch from the old system to the new system and this can happen in four different ways:
Direct changeover.
Parallel running.
Pilot running.
Phased implementation.
Explanation:
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