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
Which of the following is not a characteristic of structured system development?

specification of the interfaces between modules
the use of graphical tools, such as data-flow diagrams, to model system
None of these
All of these
partitioning of systems into manageable levels of detail

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System Analysis and Design
An audit trial is

post-auditing the system after its implementation
designed to permit tracing of any input record or process performed on a system, back toits original sources
test data used by the system auditor
All of these
None of these

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