• A duplicate of an original. For instance, information, such as text or graphics, may be copied from one document to another, to the computer's memory, or to a printer. Similarly, files or directories may be copied from one medium to another, one computer to another, and so on. Copies of digitized information are usually 100% accurate, or very nearly so.
  • To read data from a source, leaving it unchanged, and writing it to another location, so that there is an additional identical version of the original.

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