System Analysis and Design
Which of the following is not a characteristic of a system

operates within a boundary
operates for some purpose
has homogeneous components
has interacting components

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System Analysis and Design
Advantages of Relational Database Management systems are

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

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