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.
All of these
assumes that the black box is independent
assumes that inputs and outputs will remain stable
None of these

ANSWER DOWNLOAD EXAMIANS APP

System Analysis and Design
Cost-Benefit analysis

evaluates the tangible and non-tangible factors
None of these
estimates the hardware and software costs
All of these
compares the cost, with the benefits, of introducing a computer-based system

ANSWER DOWNLOAD EXAMIANS APP