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

None of these
Multiprocessing
All of these
Parallel run
Multitasking

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System Analysis and Design
Cost-Benefit analysis

compares the cost, with the benefits, of introducing a computer-based system
evaluates the tangible and non-tangible factors
None of these
All of these
estimates the hardware and software costs

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