System Analysis and Design
The black-box concept:

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

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
Acceptance testing is

running the system with line data by the actual user
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
is checking the logic of one or more programs in the candidate systems

ANSWER DOWNLOAD EXAMIANS APP