System Analysis and Design
System prototyping helps the designer in

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.
all of the listed here
giving a demo of the software, to the system manager to whom he reports

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System Analysis and Design
HIPO

captures the essence of top down decomposition.
All of these
None of these
consists of a hierarchy chart and an associated set of input/process/ output charts
is a forms-driven technique in which standard forms are used to document the information

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