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2. Track (disk drive) - Wikipedia

   en.wikipedia.org/wiki/Track_(disk_drive)

   (A) Track (B) Geometrical sector (C) Track sector (D) Cluster. A disk drive track is a circular path on the surface of a disk or diskette on which information is magnetically recorded and from which recorded information is read. A track is a physical division of data in a disk drive, as used in the Cylinder-Head-Record (CCHHR) addressing mode ...

3. Cylinder-head-sector - Wikipedia

   en.wikipedia.org/wiki/Cylinder-head-sector

   The number of cylinders of a disk drive exactly equals the number of tracks on a single surface in the drive. It comprises the same track number on each platter, spanning all such tracks across each platter surface that is able to store data (without regard to whether or not the track is "bad"). Cylinders are vertically formed by tracks. In ...

4. Fixed-block architecture - Wikipedia

   en.wikipedia.org/wiki/Fixed-block_architecture

   Moving the translation into the disk drive allowed drive manufacturers to place a different number of blocks on each track transparently to the accessing software. Still later, magnetic hard disks employed an evolution of LBA where the size of the addressable disk sectors can differ from the physical block size.

5. Disk sector - Wikipedia

   en.wikipedia.org/wiki/Disk_sector

   The first disk drive, the 1957 IBM 350 disk storage, had ten 100 character sectors per track; each character was six bits and included a parity bit. The number of sectors per track was identical on all recording surfaces. There was no recorded identifier field (ID) associated with each sector. [4]

6. Logical block addressing - Wikipedia

   en.wikipedia.org/wiki/Logical_block_addressing

   C, H and S are the cylinder number, the head number, and the sector number; LBA is the logical block address; HPC is the maximum number of heads per cylinder (reported by disk drive, typically 16 for 28-bit LBA) SPT is the maximum number of sectors per track (reported by disk drive, typically 63 for 28-bit LBA)

7. How to Do a Free Reverse Phone Lookup & the 8 Best ... - AOL

   www.aol.com/finance/free-reverse-phone-lookup-8...

   Spy Dialer is a free reverse phone lookup service that accesses public databases of registered phone numbers to help users find information on cell phone and landline numbers and emails.