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

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

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System Analysis and Design
The outstanding Invoice file should be stared on a Pardon Access Storage Device if

last record points to the first record
inquires concerning payable are to be answered on-line
None of these
invoice data entry is on-line.
payment recording is done in a batch rode

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System Analysis and Design
The approach used in top-down analysis and design is

to prepare flow charts after programming has been completed
to identify the top level functions by combining many smaller components into a single entity
to identify a top level function an d then create a hierarchy of lower-level modules and components.
all of the listed here

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System Analysis and Design
An open rectangle

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

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