System Analysis and Design
Conversion method in which users, being used to an old system, continue to use the old system, along with the new system, is

Multiprocessing
Parallel run
Multitasking
All of these
None of these

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System Analysis and Design
Inverted list organization

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

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System Analysis and Design
Indexed-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

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