System Analysis and Design
Unit testing is

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

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System Analysis and Design
The rule(s) to follow in constructing decision tables is (are):

a decision should be given a name
all of the listed here
the logic of the table is independent of the sequence in which conditions rules are written, but the action takes place in the order is which the events occur.
standardized language must be used consistently.

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