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

a decision should be given a name
standardized language must be used consistently.
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.

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System Analysis and Design
A couple:

is represented by a line joining two modules
None of these
None of these
means that the upper module has the capability of calling the lower module
is a data item that moves from one module to another

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System Analysis and Design
The black-box concept:

All of these
None of these
assumes that the black box is independent
assumes that inputs and outputs will remain stable
is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box.

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