System Analysis and Design
Unit testing is

is checking the logic of one or more programs in the candidate system
running the system with line data by the actual user
making sure that the new programs do in fact process certain transactions according to Specifications
None of these
testing changes made in an existing or a new program

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System Analysis and Design
Inverted list organization

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

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