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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.
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).
As we alarmingly learned in 2014, the US military has been using 8-inch floppy disks in an antiquated '70s computer to receive nuclear launch orders from the President. Now, the US strategic ...
floppy discs started to be used for distributing software, and then came down in price; regular people started to use computers – and wanted a simple way to run a program; computer magazines started to include cassette tapes or floppy discs with free or trial versions of software on them
However, by the late 1980s, hard disk drives were standard on all but the cheapest PC and floppy disks were used almost solely as transport media. Most hard disk drives in the early 1980s were sold to PC end users by systems integrators such as the Corvus Disk System or the systems manufacturer such as the Apple ProFile.
Image credits: AprumMol #23. TIL After his lung cancer diagnosis, actor Yul Brynner wished to warn people against smoking. After his death, the american cancer society aired an ad with the actor ...
The first model used an audio cassette for external storage, though there was an expensive floppy disk option. The cassette option was never popular and was removed in the PC XT of 1983. [85] The XT added a 10 MB hard drive in place of one of the two floppy disks and increased the number of expansion slots from 5 to 8. While the original PC ...