System Analysis and Design
Advantages of Relational Database Management systems are

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

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System Analysis and Design
In the system concepts, term organization

implies structure and order
refers to the holism of systems
means that parts of the computer system depend on one the another.
refers to the mannar in which each component functions with other components of the system.
None of these

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System Analysis and Design
Unit testing is

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

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