System Analysis and Design
The requirements report includes

a data flow diagram describing the proposed new system.
a list of alternative solutions considered
None of these
All of these
a hierarchy chart showing the top-level modules

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System Analysis and Design
Sequential or series testing is

testing changes made in an existing or a new program
running the system with line data by the actual user
is checking the logic of one or more programs in the candidate system
making sure that the new programs do in fact process certain transactions according to Specifications

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System Analysis and Design
System prototyping helps the designer in

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

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