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 group of related fields
a map of the programmer's view of the data
a series or group of components that perform one or more operations of a more complex system

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System Analysis and Design
Rapid prototyping proves the quality of a design by

having the system analyst present an overview of the design to users, programmers, and consultants
None of these
having a program simulate the real system
both (a) and (b)
having a data flow diagram

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System Analysis and Design
In a Decision tree

the root is drawn on the left and is the starting point on the decision sequence
the nodes represent the conditions, with the right wise of tree listing the actions to be taken
all of the listed here
the branch, to be followed, depends on the conditions and decisions, to be made

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