card computer cooler DDR dual fan graphics inside interior laptop machine mainframe memory processor tool wire wires cutout isolated busines cable cables close comp gadget gadgets internet modern monitor network PC personal window 1960’s-70’s automated-machinery cards collections 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