System Analysis and Design
Acceptance testing is

is checking the logic of one or more programs in the candidate systems
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
testing changes made in an existing or a new program

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System Analysis and Design
The black-box concept:

assumes that inputs and outputs will remain stable
assumes that the black box is independent
All of these
None of these
is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box.

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System Analysis and Design
Advantages of Relational Database Management systems are

Security controls can be more easily implemented.
None of these
Data independence since it allows the database to grow by adding new attributes and relations.
Flexibility, of relating different logical files
All of these

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