System Analysis and Design
Difference between Decision - Tables and Decision Trees is (are):

form of representation
None of these
All of these
value to end user
one shows the logic while other shows the process

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System Analysis and Design
System prototyping helps the designer in

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

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