System Analysis and Design
Pointers are useful in

Pointing mistakes in input data
None of these
All of these
Traversing a linked list
Locating a particular sector of a magnetic disk

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System Analysis and Design
In Decision trees

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
the root is drawn on the left and is the starting point on the decision sequence.
None of these
All of these

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System Analysis and Design
System prototyping helps the designer in

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

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