System Analysis and Design
Nassi - schneiderman charts

both (a) and (c)
are made up of boxes within boxes
are being replaced by flowcharts
None of these
often describe over lapping control structures

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System Analysis and Design
Unit testing is

making sure that the new programs do in fact process certain transactions according to Specifications
running the system with line data by the actual user
testing changes made in an existing or a new program
None of these
is checking the logic of one or more programs in the candidate system

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