System Analysis and Design
The term Parallel Run refers to

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
the processing of two different jobs initiated from two terminals.
None of these

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System Analysis and Design
HIPO

captures the essence of top down decomposition.
All of these
consists of a hierarchy chart and an associated set of input/process/ output charts
is a forms-driven technique in which standard forms are used to document the information
None of these

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System Analysis and Design
Top-down programming is

a map of the programmer's view of the data
a group of related fields
an approach in which the top module is first tested then program modules are added from the highest level to the lowest level
a series or group of components that perform one or more operations of a more complex system

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