What is 2HD floppy?
What is 2HD floppy? Today's HD or "high-density" floppy-disk storage format has been around since 1987. It stores about 1,440 kilobytes of data on the two sides of a 3-1/2" floppy disk. The floppies you buy today are rated 2HD (double-sided, high-density). When did 3.5 floppy come out? Most quickly died off, but one, the 3.5-inch size introduced by Sony in 1980, proved to be a winner. The 3.5-inch disk didn't really take off until 1982. Who invented the 3.5 inch floppy disk? Alan Shugart Invented by IBM engineers led by Alan Shugart, the first disks were designed for loading...