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| | Sector, Boot Sector, Track, Cluster, Bad Sector, Lost Cluster |
 | | A Sector in the context of computing refers to a small area of a storage device, for example a hard disk drive. |
 | | A bad sector refers to a single sector that has some physical flaw, although a disk can operate with a bad sector, any data that was stored in that sector will be lost, further, no data can be written to that sector. |
 | | Before the boot sector is read, the computer's bios will call a small program called an MBR (Master Boot Record) which normally resides in the first record of the first disk. |
| www.helpwithpcs.com /jargon/sector-track-cluster.htm (303 words) |
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