System Analysis and Design
The term Parallel Run refers to

the processing of two different jobs initiated from two terminals.
the same job run on two different computer to test their speeds
All of these
the concurrent operation of an existing system and a new system
None of these

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System Analysis and Design
A menu-driven system

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

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