peripheral equipment

Definitions

Computing

  • noun external devices that are used with a computer, e.g. printers or scanners
  • noun communications equipment external to a central processor that provides extra features

Electronics

  • Any equipment which transfers data to a CPU and/or receives data from a CPU, or which otherwise assists, enhances, or depends on computer function. For example, a machine utilized for laser cutting which is controlled by an external computer.
http://www.dictionarycentral.com/definition/peripheral-equipment.html