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

Multiprocessing
Multitasking
None of these
All of these
Parallel run

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System Analysis and Design
The approach used in top-down analysis and and design is

All of these
None of these
to prepare flowcharts after programming has been completed
to identify a top level function and then create a hierarchy of lower level modules and components
to identify the top level functions by combining many smaller components into a single entity.

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