System Analysis and Design
Which of the following is not a part of a Data Flow Diagram?

None of these
disk storage
process represented by a bubble circle (circle)
arrow
Data store

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

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

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System Analysis and Design
The advantage of Purchase Option is (are)

the flexibility of modifying the system at will
Insurances, maintenance, and other expenses are included in the rental charge
No financing is requird. The risk of system obsolescence is shifted to the lessor
None of these
All of these

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