System Analysis and Design
Conversion method in which users, being used to an old system, continue to use the old system, alongside the new system, is

multi processing
None of these
multitasking
parallel run
All of these

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System Analysis and Design
The approach used in top-down analysis and and design is

to identify the top level functions by combining many smaller components into a single entity.
All of these
to identify a top level function and then create a hierarchy of lower level modules and components
to prepare flowcharts after programming has been completed
None of these

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System Analysis and Design
An open rectangle

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

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