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

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

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System Analysis and Design
A system analyst designs a new system by

None of these
developing the system as a large, single unit
adopting a developed system to the present environment
identifying sub systems and the interfaces between sub systems
propose alternatives to the current system

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