System Analysis and Design
In top down analyis and design

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

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System Analysis and Design
A menu-driven system

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

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