#data_input_device  a device that can be used to insert data into a computer or other computational device
  supertype:  #device  an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
  subtype:  #computer_keyboard  a keyboard that is a data input device for computers; arrangement of keys is modelled after the typewriter keyboard
  subtype:  #joystick  a manual control consisting of a vertical handle that can move freely in two directions; used as an input device to computers or to devices controlled by computers
  subtype:  #digital_scanner__scanner__imagescanner  an electronic device that generates a digital representation of a document for data input to a computer

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