An American multinational technology corporation headquartered in Armonk, Recent York, it is present in over 175 countries. It specializes in computer hardware, middleware, and software and provides hosting and consulting services in areas ranging from mainframe computers to nanotechnology. As one of the world's oldest and largest technology companies, the Client has been responsible for several technological innovations, including the automated teller machine (ATM), dynamic random-access memory (DRAM), the floppy disk, the hard disk drive, the magnetic stripe card, the relational database, the SQL programming language, and the UPC barcode. The company has made inroads in advanced computer chips, quantum computing, artificial intelligence, and data infrastructure.