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8-inch floppy disk, inserted in drive, (3½-inch floppy diskette, in front, shown for scale) 3½-inch, high-density floppy diskettes with adhesive labels affixed The first commercial floppy disks, developed in the late 1960s, were 8 inches (203.2 mm) in diameter; [4] [5] they became commercially available in 1971 as a component of IBM products and both drives and disks were then sold ...
Drawings from IBM Floppy Disk Drive Patents. IBM's decision in the late 1960s to use semiconductor memory as the writeable control store for future systems and control units created a requirement for an inexpensive and reliable read only device and associated medium to store and ship the control store's microprogram and at system power on to load the microprogram into the control store.
However, what Nakamatsu patented in 1952 was a paper for optical sound player. [12] In contrast to a floppy disk, this Nakamatsu patent discloses the use of printed paper for storage instead of the magnetic material of a floppy disk. It is not rewritable and lacks most elements of the IBM floppy disk patent.
Edit since of people aren’t understanding my point: I didn’t say people were still using floppy disks 15 years ago, I meant that most people at least knew WHY the save icon was represented by ...
Finally, in 2010, Sony announced that it was ceasing production of one of the defining devices of the 1980s — it was the same year Sony stopped making 3.5-inch floppy disks. Tom Merton ...
Floppy disks flop for the last time You can officially move your old computer floppy disks to your obsolete file, since Sony has announced plans to discontinue selling them in Japan in March 2011 ...
The best-known floppy disk drive for the C64, the 1541 is a single-sided 170-kilobyte drive for 5¼" disks. The 1541 directly followed the Commodore 1540 (meant for the VIC-20). The disk drive uses group coded recording (GCR) and contains a MOS Technology 6502 microprocessor, doubling as a disk controller and on-board disk operating system ...
The Olivetti P6060 was the first personal computer with a built-in floppy disk. It was presented in April 1975 by the Italian manufacturer Olivetti at the Hannover fair alongside the smaller P6040 that stored data on proprietary 2.5-inch mylar floppies called Minidisk (3 KB).