Storage media

  • Punch Cards

    Punch A punch card is a piece of stiff paper that contains digital information represented by the presence or absence of holes in predefined positions.
    (From Wikipedia)
  • Punch Tape

    Similar to a Punch Card but with more storage. A punched tape consists of a long strip of paper in which holes are punched to store data.
  • Holographic Versatile Disc (HVD)

    A disc not bigger than a cd-rom with a capacity of 500gb (6TB in theory) HVD standards were approved in 2007 but no company managed to commercialize it yet. Wikipedia Link