System Analysis and Design
Conversion method in which users, being used to an old system, continue to use the old system, along with the new system, is

Parallel run
None of these
Multitasking
Multiprocessing
All of these

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System Analysis and Design
Which of the following is not true of the conversion phase of the development life cycle?

steps must be taken to phase out the old system
documentation should be emphasized
the user and systems personnel must work closely together
the non machine components of the system should be considered

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