How Do Hard Drives Work?

Have you ever opened a computer hard drive and looked at all of it's components? If not, feel free to watch this video.

Reynold Johnson
Benjamin Wood
Thomas J. Watson Sr
IBM 305 RAMAC

https://www.ibm.com/history/rey-johnson

https://www.computerhistory.org/storageengine/first-commercial-hard-disk-drive-shipped/