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Overhead may be:

  • Engineering overhead, ancillary design features required by a component of a device
    • Overhead (computing), ancillary computation required by an algorithm or program
    • Protocol overhead, additional bandwidth used by a communications protocol
    • Line code or encoding overhead, additional bandwidth required for physical line transmission
  • Overhead information, for telecommunication systems
  • File system overhead, storage or other consideration required by a file system that is not directly related to data.

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