System Analysis and Design
During the maintenance phase

None of the listed here
System requirements are established
Programs are tested
System analysis is carried out

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System Analysis and Design
Top-down programming is

an approach in which the top module is first tested then program modules are added from the highest level to the lowest level
a series or group of components that perform one or more operations of a more complex system
a group of related fields
a map of the programmer's view of the data

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System Analysis and Design
In top down analyis and design

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

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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
to identify the top level functions by combining many smaller components into a single entity.
None of these
to identify a top level function and then create a hierarchy of lower level modules and components

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