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A duplicate is

[a]n accurate digital reproduction of all data contained on a digital storage device (e.g., hard drive, CD-ROM, flash memory, floppy disk, Zip®, Jaz®). Maintains contents and attributes (e.g., bit stream, bit copy, and sector dump).[1]

A duplicate is "[a] copy of a paper document, microform, or magnetic tape or disk."[2]


  1. Forensic Examination of Digital Evidence: A Guide for Law Enforcement, at 39.
  2. EPA, Vocabulary Catalog List Detail - Records Glossary (full-text).

See also[]