System Analysis and Design
Sequential organization

Stores records sequentially but uses an index to locate records
uses an index for each key type
means storing records in contiguous blocks according to a key.
has records placed randomly throughout the file
None of these

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

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

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