g conversion is the least expensive and highest risk IS conversion strategy because the old system is cut off and the new system is turned on at a certain point in tim



Direct

Explanation:

There are different types of conversion systems. Example includes the direct conversion and parallel conversion.

In this conversion system, users stops using the old system one day and starts using the next system the next.

Its requires fewer resources and is simple if nothing goes wrong. Risk involved mostly if the hardware and software are old or at a cutting edge.

Direct conversion is said to be an abrupt change where the the old system is simply unplugged and the new system is turned on. It does not allow users with any choice but to work with the new system. It is said to be risky and least cost.