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

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
to prepare flow charts after programming has been completed
all of the listed here

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System Analysis and Design
In Decision trees

None of these
nodes represent the conditions, with the right side of tree listing the actions to be taken
the branch depends on the condition and decisions to made
All of these
the root is drawn on the left and is the starting point on the decision sequence.

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System Analysis and Design
A menu-driven system

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

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