System Analysis and Design
Top-down programming is

a series or group of components that perform one or more operations of a more complex system
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

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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
having a data flow diagram
having a program simulate the real system
None of these
both (a) and (b)

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System Analysis and Design
An open rectangle

identifies data flow
represents a process that transforms incoming data flow(s) into outgoing data flows
None of these
defines a source or destination of system data
is a data store-data at rest, or a temporary repository of data

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

All of these
to identify a top level function and 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 flowcharts after programming has been completed
None of these

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