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

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

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System Analysis and Design
Most algorithms follow the format of

Entering the input items, then displaying the input items, and then processing the output items
Entering the input items, then processing the output items, and then displaying the output items
Entering the output items, then processing the output items, and then displaying the output items
Entering the input items, then processing the input items, and then displaying the output items
Entering the output items, then displaying the output items, and then processing the output items

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System Analysis and Design
The term Parallel Run refers to

All of these
the processing of two different jobs initiated from two terminals.
the same job run on two different computer to test their speeds
None of these
the concurrent operation of an existing system and a new system

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