System Analysis and Design
The systems have been classified in different ways

None of these
physical or abstract
man-made information system
All of these
open or closed

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

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

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