System Analysis and Design
The systems have been classified in different ways

open or closed
All of these
man-made information system
None of these
physical or abstract

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System Analysis and Design
The term Parallel Run refers to

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

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System Analysis and Design
Rapid prototyping proves the quality of a design by

having the system analyst present an overview of the design to users, programmers, and consultants
both (a) and (b)
None of these
having a program simulate the real system
having a data flow diagram

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