older hard drives, there were the same number of sectors near
the center of the platter or disk as there was in the outer
tracks. To get the same number of bits in each sector, the
bits had to be placed closer together in the center tracks.
One method devised to solve this problem was to increase the
speed that the read/write heads wrote to the disk as they
got closer to the center tracks. This was called Write Precompensation.
Another method was called Reduced Write Current.
or restarting a computer that is already on without turning
off the power. It restarts the computer without going through
the entire POST. This is accomplished by pushing CTRL+ALT+DEL,
using restart on the shut down menu, or pushing the restart
button on the front of the computer.