System Analysis and Design
A menu-driven system

None of these
increases the operator's work
presents options and allows the user to make selections
can be used only by computer professionals
is required only for on-line systems

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System Analysis and Design
In top down analyis and design

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
all of the listed here

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