capacity colorful coloring colors colourful colouring colours computers data data storage discs disks floppies floppy disks history it low capacity obsolete outdated outdated technology past small storage storage disks technological technology textures 1960’s-70’s automated-machinery cards collections computer computer-punch-cards data-encoding data-input data-output data-processing-industry data-storage decks-of-cards digital-data early-digital-computers flexible-write-once-medium format holes mainframe-data-processing now-obsolete once-common paper paper-ephemera predefined-positions punch-card punched-card retro specialized stiff-paper storage-medium tabulating vintage digital dvd film media plate Recording device disc magneto-optical MD MiniDisc disk disks science drive electronics hard hdd electronic key memory stick usb