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

both (a) and (b)
None of these
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

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System Analysis and Design
System prototyping helps the designer in

all of the listed here
giving a demo of the software, to the system manager to whom he reports
making the programmers understand how the system will function.
communicating to the user, quickly, how the system, when developed, will look like and get a feedback.

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System Analysis and Design
An open rectangle

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

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

to identify the top level functions by combining many smaller components into a single entity
to identify a top level function an d then create a hierarchy of lower-level modules and components.
to prepare flow charts after programming has been completed
all of the listed here

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