System Analysis and Design
Advantages of Relational Database Management systems are

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

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System Analysis and Design
A system design is said to be functionally modular if

the system is able to handle all the function of the application
the system makes extensive use of function. keys for maximum user assistance
the system is developed using structured programming through COBOL or PASCAL
None of these
each module performs a specific function and can be developed relatively independently by programmers

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