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

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
all of the listed here

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System Analysis and Design
A system design is said to be functionally modular if

the system is able to handle all the function of the application
None of these
the system makes extensive use of function. keys for maximum user assistance
each module performs a specific function and can be developed relatively independently by programmers
the system is developed using structured programming through COBOL or PASCAL

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