System Analysis and Design
Tracing, of any input record or process, performed on a system, back to its original source, is an

audit trial
conversion
batch processing
report generation
None of these

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System Analysis and Design
Sequential organization

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.
None of these
has records placed randomly throughout the file

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