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Give two disadvantages of direct changeover over parallel running.

Give two disadvantages of direct changeover over parallel running.

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Kavungya
o It may be very inconveniencing (or, the organization will incur huge losses) in case the new system fails or faces problems.
o The users may not have gained enough confidence to run the new system.
o The weaknesses of the old system may not be corrected & may still be transferred to the new system.
o Loss of jobs for the workers whose departments are affected.
o If the new system fails, data recovery may be impossible.
Kavungya answered the question on June 5, 2019 at 11:39

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