System Analysis and Design
An open rectangle

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

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System Analysis and Design
Most algorithms begin by _____.

Entering the output items into the computer
Displaying the input items
Displaying the output 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
In top down analyis and design

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

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