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.
History: (Captain Caveman - part of the Flintstones Comedy Hour) Captain Caveman was one of pre-historic Earth's first superheroes. No one suspected that Chester, mild mannered copyboy at The Daily Granite, a major Bedrock newspaper, was actually the heroic Neanderthal, not even reporters Betty Rubble and Wilma Flintstone.