What characteristic best describes a magstripe reader?

What characteristic best describes a magstripe reader?

  • an input device that reads encoded information from the back of plastic cards
  • an input device that provides verification of package delivery by digitizing a written name
  • a head-mounted device that superimposes images and audio over a real world image and can provide users immediate access to information about their real surroundings
  • an output device used to present information from a laptop onto a screen