System Analysis and Design
In Decision trees

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.
nodes represent the conditions, with the right side of tree listing the actions to be taken
None of these

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

all of the listed here
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

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System Analysis and Design
A couple:

is represented by a line joining two modules
None of these
is a data item that moves from one module to another
means that the upper module has the capability of calling the lower module
None of these

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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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