System Analysis and Design
The requirements report includes

a data flow diagram describing the proposed new system.
All of these
a list of alternative solutions considered
None of these
a hierarchy chart showing the top-level modules

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

all of the listed here
to prepare flow charts after programming has been completed
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

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