System Analysis and Design
The requirements report includes

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

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System Analysis and Design
The advantage of Purchase Option is (are)

No financing is requird. The risk of system obsolescence is shifted to the lessor
Insurances, maintenance, and other expenses are included in the rental charge
None of these
the flexibility of modifying the system at will
All of these

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System Analysis and Design
Acceptance testing is

making sure that the new programs do in fact process certain transactions according to Specifications
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 systems

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