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

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System Analysis and Design
A Turnaround document

is output at one point which later comes back as an input
is circulated among all the staff of an organization.
All of these
None of these
is circulated among all the heads of departments of an organization.

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System Analysis and Design
A pseudocode is

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

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