Floppies made punched cards obsolete, and its successors ruled software distribution for the next 20 years.With this, you can build.
The decline of floppy disks is due to their small storage capacity and susceptibility to physical damage, but also to the emergence of alternative storage solutions such as cds and usb drives.Floppy disks have become a rare sight, but not so long ago they were everywhere you looked.Now, with new devices specifically designed for harvesting data off of old floppies like the kryoflux and the greaseweazle, you can get the full flux map of the disk.
The coin is colorized to look like the original disk.These disks were encased in a hard plastic shell, offering better durability and higher storage densities.
The 8 inches floppy disk was introduced in 1971, whereas the 5.25 inches was developed in 1976.By 1976, shugart founded shugart associates which produced a 5.25 disk storing 110 kb.I don't think there was a distinction between 'close' and 'save' when merely editing documents.