HARD
DISK
Hard disk definition : A hard disk is part of a unit, often called a
"disk drive," "hard drive, that stores and provides relatively
quick access to large amounts of data on an electromagnetically charged surface
.A magnetic disk on
which you can store computer data. The termhard is
used to distinguish it from a soft, disk. Hard disks hold more data and are
faster than floppy disks. A hard disk, for example, can store anywhere
from 10 to more than 100 gigabytes.
A single hard disk
usually consists of several platters.
Each platter requires two read/write heads,
one for each side.
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