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sector,track,cylinder

sector,track,cylinder - more sectors than those on the...

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4. Format - , When a disk undergoes a low level format it is divided it into tracks and sectors . The tracks are concentric circles around the central spindle on . either side of each platter Tracks physically above each other on the platters are grouped together into cylinders which are then further . subdivided into sectors of 512 bytes apiece , - The concept of cylinders is important since cross platter information in the same cylinder can be accessed without having to move the . heads The . sector is a disk's smallest accessible unit Drives use a technique called - zoned bit recording in which tracks on the outside of the disk contain
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Unformatted text preview: . more sectors than those on the inside :-TRACK :- Bad Track Table A label affixed to the casing of a hard disk drive that . tells which tracks are flawed and cannot hold data The list is typed into-. the low level formatting program when the drive is being installed :- Off Track Retry Method of improving data recovery under error . conditions It is often possible to recover a data error by moving the head-. slightly off the track centre and re reading the block :- Track-, Sub division of the recording area of storage media such as , . magnetic disks optical discs and magnetic tape...
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