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Icons of Progress
 

RAMAC

The First Magnetic Hard Disk

The importance and influence of hard disk technology—the technology introduced to the world with RAMAC—can be seen in almost every aspect of daily life. The computer on which you’re reading this text almost certainly has a hard disk drive as part of its basic hardware. In the workplace, e-mail messages, customer data, sales records, human resources information and many other workaday documents are all stored on hard drives—technology invented in an IBM lab a half century ago.