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

All of these
to prepare flowcharts after programming has been completed
None of these
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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System Analysis and Design
The Turnaround is

the key information of programming
a program statement that violates one or more rules of the language in which it is written
a group of related fields
the elapsed time between the receipt of the input and the availability of the output
None of these

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System Analysis and Design
In top down analyis and design

all of the listed here
each succeeding phase is less detailed than the phase before it
each succeeding phase is as detailed as the phase before it.
each succeeding phase is more detailed than the phase before it

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