System Analysis and Design
Inverted list organization

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

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System Analysis and Design
A structure chart is

a document of what has to be accomplished
a statement of information processing requirements
None of these
a hierarchical partitioning of the program
All of these

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

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

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