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

None of these
the flexibility of modifying the system at will
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
All of these

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System Analysis and Design
Which of the following is not true of the conversion phase of the development life cycle?

documentation should be emphasized
steps must be taken to phase out the old system
the non machine components of the system should be considered
the user and systems personnel must work closely together

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System Analysis and Design
Unit testing is

is checking the logic of one or more programs in the candidate system
None of these
testing changes made in an existing or a new program
making sure that the new programs do in fact process certain transactions according to Specifications
running the system with line data by the actual user

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