System Analysis and Design
A data flow diagram is

the primary output of the systems design phase
None of these
mainly used at the systems specification stage.
the modern version of flowchart
All of these

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

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

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