OCR: Bet: aheidisk is arranged inErgeke hDidsk AnchtounrMageamogrlcehiamy one of theBege tracks at random, you don' have to fast over the whole disk to get at the data you want The big disadvantage with floppy is that they are very slow compared to hard disks. Hard disks are not (generally) removable. not cheap and not slow. (They are slow in comparison to memory thou RP A hard dir works in a similar to floppy disks. They have tracks, and head(s), but because the spins a lot faster (3600 rpm) and the heads are a lot closer to the you can store lot more information on them. disks have reputation for being fragile. This IS not just paranoia about them. but a fact In hard disk, to get the heads as close as possi ible the recording surface, the heads fly on cushion of air created b the spinning. If ...
