System Analysis and Design
To reconstruct a system, which of the following key element(s) must be considered :

feedback and environment
control and processors.
all of the listed here
outputs and inputs

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System Analysis and Design
Cost-Benefit analysis

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

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System Analysis and Design
A menu-driven system

is required only for on-line systems
can be used only by computer professionals
presents options and allows the user to make selections
None of these
increases the operator's work

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