List and describe FOUR strategies for conversion from an old system to a new system

List and describe FOUR strategies for conversion from an old system to a new system

Direct approach

User simply stops old system and starts using the new one

Parallel approach

Old and new system are operated side by side until the new system has shown it is reliable

Phased approach

Parts of a new system are phased in separately either at different times or all at one in groups.

Pilot approach

Entire system is tried out but only by some users.

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