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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.
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 ...
A Maxell-branded 3-inch Compact Floppy Disk. The floppy disk is a data storage and transfer medium that was ubiquitous from the mid-1970s well into the 2000s. [1] Besides the 3½-inch and 5¼-inch formats used in IBM PC compatible systems, or the 8-inch format that preceded them, many proprietary floppy disk formats were developed, either using a different disk design or special layout and ...
Before phones were pocket-sized supercomputers, people had to stop if they wanted to make calls on the go. ... of the 1980s — it was the same year Sony stopped making 3.5-inch floppy disks ...
IBM manufactured magnetic disk storage devices from 1956 to 2003, when it sold its hard disk drive business to Hitachi. [1] [2] Both the hard disk drive (HDD) and floppy disk drive (FDD) were invented by IBM and as such IBM's employees were responsible for many of the innovations in these products and their technologies. [3]
Why the save button icon is a floppy disk ... folks. Floppy drives and cassettes were already a decade out of date. ... and that forms of the internet came long before people think it did (like ...
Convinced that magnetic-disk storage would make the Intellec 8 more efficient, Kildall interfaced the computer with an 8-inch Shugart Associates floppy disk drive using a custom built floppy disk controller. Kildall's friend John Torode developed the controller hardware while Kildall worked on the disk operating system software. [24]
Zip drive (floppy-like, but incompatible medium using different technology) PocketZip (floppy-like, but incompatible medium using different technology) SuperDisk (floppy-like with drives also compatible with 3.5" floppy disks) Magneto-optical drive (floppy-like, but incompatible medium using different technology)