1 The hard disk has a small arm that can move from ring to ring on the surface of the disk. To reach a particular sector, the hard disk moves the arm to the right ring and waits for the sector to spin into position.  Hard disks are slow in computer terms.
Chester William Nimitz, Sr. (/ËnÉªmÉªts/; February 24, 1885 â February 20, 1966) was a fleet admiral of the United States Navy.
The Zipcode for Chester is. Chester is a township of Morris, New Jersey in the Mid Atlantic region of the USA. It is located about 40 miles north of NJ's capital city of Trenton. In the most recent US census the population of Chester was 7838. City/Zip code State.