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.
Chester (placename element). From Wikipedia, the free encyclopedia. The English place-name Chester, and the suffixes-chester, -caster and-cester, are commonly indications that the place is the site of a Roman castrum, meaning a military camp or fort, but it can also apply to the site of a pre-historic fort.ames ending in -cester are nearly always reduced to -ster when spoken, the exception being  Cirencester , which is pronounced in full. The pronunciation of names ending in-chester or-caster is regular.