System Analysis and Design
Which of the following is used when a company goes outside its organization to develop a new system?

request for proposal
data flow diagram
systems flowchart
project dictionary

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System Analysis and Design
The black-box concept:

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

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