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

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

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System Analysis and Design
Most algorithms follow the format of

Entering the input items, then displaying the input items, and then processing the output items
Entering the input items, then processing the output items, and then displaying the output items
Entering the output items, then processing the output items, and then displaying the output items
Entering the output items, then displaying the output items, and then processing the output items
Entering the input items, then processing the input items, and then displaying the output items

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System Analysis and Design
Sequential organization

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

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