What are 5 different types of floppy disk?

Five different types of floppy disks include the 8-inch floppy, which was commonly used in the 1970s and 1980s; the 5.25-inch floppy, popular in early personal computers; the 3.5-inch floppy, which became the standard format in the late 1980s; the double-density (DD) floppy, which stored 720 KB; and the high-density (HD) floppy, which could hold 1.44 MB. Each type varied in size, storage capacity, and usage over the decades.