System Analysis and Design
The systems conversion technique of totally removing the existing system and immediately implementing the new system is called as

parallel run
None of these
pilot conversion
crash conversion
phased conversion

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System Analysis and Design
Which of the following is not true of the conversion phase of the development life cycle?

the non machine components of the system should be considered
steps must be taken to phase out the old system
the user and systems personnel must work closely together
documentation should be emphasized

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System Analysis and Design
A square symbols

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

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

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

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