System Analysis and Design
The model base cannot be prepared until

the MIS staff has been acquired and organized
the preparation of physical facilities
None of these
the computer has been selected
both (a) and (b)

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System Analysis and Design
Direct-access organization

has records placed randomly throughout the file
uses an index for each key type
Stores records sequentially but uses an index to locate records
means storing records in contiguous blocks according to a key.

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

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

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