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SCSI
A processor-independent standard for system-level interface
between a computer and intelligent devices including
hard disks, floppy disks, CD-ROM, printers, scanners,
etc.
Sector
A sector is a section of track whose size is determined
by formatting. When used as an address component, sector
and location refer to the sequence number of the sector
around the track. Typically, one sector stores one user
record of data. Determining how many sectors per track
to use is dependent on the system type, the controller
capabilities, and the drive encoding method and interface.
Spindle
The drive's center shaft, on which the hard disk platters
are mounted.
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