Yes it did. They were magnetic disks. And they were floppy. The outer case of a 3.5" was solid but just rip it open and you can see the disk itself is floppy.

Yes it did. They were magnetic disks. And they were floppy. The outer case of a 3.5" was solid but just rip it open and you can see the disk itself is floppy. Edit: oh right, you're talking about the different spellings. Those were entirely arbitrary. We mixed between the two.