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Computer Science Questions

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What are the two 'conversion style' options for switching from the old system to the new system. IT question

Dec 16th, 2014

A system can be implemented after it has been tested. It is also known as system conversion. It can be performed in any of the following ways:

1. Parallel Conversion

A type of conversion in which both new and old systems operate together for a period of time is called parallel conversion. It is the safest type of conversion. The results of both systems are compared. The old system can be used until all problems in the new system are removed.


2. Pilot Conversion

In this type of conversion, one part of the organization uses the new system and the rest of the organization uses the old system. When one part of the organization is satisfied with the new system, the rest of the organization can start using it.


 3. Phased conversion

A type of conversion in which individual components of new system are implemented one by one is called phased conversion.


4. Direct conversion

In this type of conversion, the old system is directly replaced by the new system. It is the most risky conversion. It may be necessary when time is very short. It is also called crash conversion.


Dec 16th, 2014

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