System Analysis and Design
Difference between Decision - Tables and Decision Trees is (are):

form of representation
value to end user
one shows the logic while other shows the process
All of these
None of these

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System Analysis and Design
A square symbols

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
defines a source or destination of system data
None of these
identifies data flow

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