System Analysis and Design
System prototyping helps the designer in

communicating to the user, quickly, how the system, when developed, will look like and get a feedback.
giving a demo of the software, to the system manager to whom he reports
making the programmers understand how the system will function.
all of the listed here

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System Analysis and Design
In Decision trees

None of these
All of these
the root is drawn on the left and is the starting point on the decision sequence.
the branch depends on the condition and decisions to made
nodes represent the conditions, with the right side of tree listing the actions to be taken

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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
each module performs a specific function and can be developed relatively independently by programmers
the system is able to handle all the function of the application

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