System Analysis and Design
Most algorithms begin by _____.

Displaying the output items
Entering the output items into the computer
Displaying the input items
Processing the input items by doing some calculations on them
Entering the input items into the computer

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System Analysis and Design
A square symbols

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

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