System Analysis and Design
The calculation instructions in an algorithm should state _____.

Both what is to be calculated and why is it calculated
Only how to calculate something
None of these
Both what is to be calculated and how to calculate it
Only what is to be calculated

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System Analysis and Design
A square symbols

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

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