System Analysis and Design
The black box concept is based on the assumption(s) that;

the relationship between the inputs and output is stable
the suprasystem is stable
All of these
None of these
black boxes are dependent or environments

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System Analysis and Design
A pseudocode is

a computer generated random number
None of these
a machine code
an easy way to communicate the logic of a program, in English¬like statements
a protocol used in data communication

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System Analysis and Design
Sequential or series testing is

making sure that the new programs do in fact process certain transactions according to Specifications
testing changes made in an existing or a new program
running the system with line data by the actual user
is checking the logic of one or more programs in the candidate system

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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
None of these
All of these

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