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

multitasking
multi processing
All of these
parallel run
None of these

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System Analysis and Design
An open rectangle

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

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System Analysis and Design
Which of the following statements, is (are) not true for the lease option

Lease charges are lower than rental charges for the same period and are also tax deductable.
Insurance, maintenance and other expenses are included in the rental charge
Lease may be written to show higher payments is early years to reflect the decline in value of the system
All of the listed here

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