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

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

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
Positive testing is

making sure that the new programs do in fact process certain transactions according to Specifications
is checking the logic of one or more programs in the candidate system
testing changes made in an existing or a new program
running the system with line data by the actual user

ANSWER DOWNLOAD EXAMIANS APP