System Analysis and Design
In Data structure, main characteristic of "ring" is :

None of these
All of these
last, record points to the first record
first record points only to the last record
many records point to one record

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System Analysis and Design
The rule(s) to follow in constructing decision tables is (are):

all of the listed here
a decision should be given a name
the logic of the table is independent of the sequence in which conditions rules are written, but the action takes place in the order is which the events occur.
standardized language must be used consistently.

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

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
last record points to the first record

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