ibm invented the hard disk drive in 1982
inventions by ibm include the automated teller machine lrb atm rrb  the pc  the floppy disk  the hard disk drive  the magnetic stripe card  the relational database  the sql programming language  the upc barcode  and dynamic randomaccess memory lrb dram rrb
introduced by ibm in 1956  hdds became the dominant secondary storage device for generalpurpose computers by the early 1960s