System Analysis and Design
A design that consists of a hierarchy of modules; each module has a single entry and a single exit subroutine, is known as

hierarchy structure
Tuple
None of these
Turnaround
top-down design

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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
has records placed randomly throughout the file
Stores records sequentially but uses an index to locate records

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