System Analysis and Design
Nassi - schneiderman charts

are made up of boxes within boxes
both (a) and (c)
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

testing changes made in an existing or a new program
None of these
running the system with line data by the actual user
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

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