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When was the 8-inch floppy disk invented?
1971
8-inch floppy disk The first floppy disk was introduced in 1971. It was an 8-inch flexible magnetic disk in a square case.
Is Lenovo still owned by IBM?
Ten years ago, IBM sold its PC business to Lenovo. However, by 2004 IBM’s business had changed, and it was interested in getting out of the PC hardware business. So on May 1, 2005, IBM sold this business to Lenovo and over the last 10 years Lenovo has become the No. 1 PC player in the world.
Will IBM make personal computers again?
Yet IBM doesn’t sell computers anymore. The company completely changed their business model in recent years to focus on more complicated, big-ticket items while the personal computer market crashed and burned. (They even sold their ThinkPad business to Lenovo several years back.)
What was the first version of the floppy disk?
Floppy disks were supported on IBM’s PC DOS and Microsoft’s MS-DOS from their beginning on the original IBM PC. With version 1.0 of PC DOS (1981), only single-sided 160 KB floppies were supported. Version 1.1 the next year saw support expand to double-sided 320 KB disks.
How many sectors are there on a floppy disk?
Most early 8″ disks were hard sectored, meaning that they had a fixed number of disk sectors (usually 8, 16, or 32), marked by physical holes punched around the disk hub, and the drive required the correct media type for its controller.
How big is a 3.5 inch floppy disk?
A consortium of 21 companies eventually settled on a 3 1⁄2-inch floppy disk (actually 90 mm wide) a.k.a. Micro diskette, Micro disk, or Micro floppy, similar to a Sony design but improved to support both single-sided and double-sided media, with formatted capacities generally of 360 KB and 720 KB respectively.”
What was the first computer with a 3.5 inch drive?
Eventually the first PC (-ish) computer to use 3.5 inch drives was the Apricot PC in 1983. 1983/84 was when Apple adopted a drive, based on the Sony design, but incompatible with the standard, for their Mac.