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Essay Archive - Optical Storage Mediums
Optical Storage Mediums
The most common way of storing data in a computer is magnetic. We have hard
drives and floppy disks (soon making way to the CD-ROM), both of which can store
some amount of data. In a disk drive, a read/write head (usually a coil of
wire) passes over a spinning disk, generating an electrical current, which
defines a bit as either a 1 or a 0. There are limitations to this though, and
that is that we can only make the head so small, and the tracks and sectors so
close, before the drive starts to suffer from interference from nearby tracks
and sector....
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