System Analysis and Design
In top down analyis and design

each succeeding phase is more detailed than the phase before it
each succeeding phase is as detailed as the phase before it.
each succeeding phase is less detailed than the phase before it
all of the listed here

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System Analysis and Design
The outstanding Invoice file should be stared on a Pardon Access Storage Device if

None of these
last record points to the first record
invoice data entry is on-line.
inquires concerning payable are to be answered on-line
payment recording is done in a batch rode

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System Analysis and Design
Rapid prototyping proves the quality of a design by

None of these
having a data flow diagram
having the system analyst present an overview of the design to users, programmers, and consultants
having a program simulate the real system
both (a) and (b)

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