1 00:00:00,080 --> 00:00:01,100 Floppy disks. 2 00:00:01,100 --> 00:00:09,230 The floppy disk, introduced yet again by IBM was first seen along with its floppy disk drive in 1971. 3 00:00:09,320 --> 00:00:15,350 Although mainframe computers back then already had hard drives and magnetic tape storage media, there 4 00:00:15,350 --> 00:00:20,900 was a need for a simple and cheaper means of saving and passing on software and instructions to the 5 00:00:20,900 --> 00:00:24,980 mainframes previously done, using the much slower punch cards. 6 00:00:25,460 --> 00:00:31,760 At the core of the floppy disk was a small magnetic disk, which, although far more portable than magnetic 7 00:00:31,790 --> 00:00:37,640 tape storage and hard disk drives at the time, stored much less data than other media we've mentioned. 8 00:00:38,090 --> 00:00:42,560 Evolution of the floppy disk size eight inch. 9 00:00:42,590 --> 00:00:45,530 Year introduced 1971. 10 00:00:45,980 --> 00:00:48,860 Maximum capacity 80kB. 11 00:00:48,900 --> 00:00:49,490 CP. 12 00:00:50,410 --> 00:01:09,280 Size 5.25in here introduced 1976 maximum capacity 360kB size 3.5in year introduced 1984 Maximum capacity 13 00:01:09,310 --> 00:01:11,560 1.2MB MP.