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

to identify a top level function an d 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
all of the listed here
to prepare flow charts after programming has been completed

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

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

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