System Analysis and Design
The combination of the top-down and the bottom-up approach may be referred to as an

None of these
interpretive approach
integrative approach
both b and c
interactive approach

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System Analysis and Design
System prototyping helps the designer in

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.
making the programmers understand how the system will function.
all of the listed here

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System Analysis and Design
A square symbols

defines a source or destination of system data
represents a process that transforms incoming data flow(s) into outgoing data flows
None of these
identifies data flow
is a data store-data at rest, or a temporary repository of data

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