System Analysis and Design
The term Parallel Run refers to

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

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System Analysis and Design
Which of the following is not a characteristic of structured system development?

All of these
None of these
specification of the interfaces between modules
the use of graphical tools, such as data-flow diagrams, to model system
partitioning of systems into manageable levels of detail

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System Analysis and Design
A square symbols

is a data store-data at rest, or a temporary repository of data
None of these
defines a source or destination of system data
represents a process that transforms incoming data flow(s) into outgoing data flows
identifies data flow

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System Analysis and Design
Positive testing is

testing changes made in an existing or a new program
making sure that the new programs do in fact process certain transactions according to Specifications
is checking the logic of one or more programs in the candidate system
running the system with line data by the actual user

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