Claim: IBM invented a type of computer.
Evidence: 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 random-access memory -LRB- DRAM -RRB-.
A personal computer -LRB- PC -RRB- is a multi-purpose electronic computer whose size , capabilities , and price make it feasible for individual use.