System Analysis and Design
In functional decomposition, the data flow diagram

both (a) and (c)
is ignored
None of these
is partitioned according to the "closeness" of the datagrams and data storage items
is partitioned according to the logical "closeness" of the actigrams

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

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

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