System Analysis and Design
Tracing, of any input record or process, performed on a system, back to its original source, is an

conversion
report generation
batch processing
None of these
audit trial

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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
running the system with line data by the actual user
testing changes made in an existing or a new program

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