IB Computer Science 6.2
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5 terms
Terms | Definitions |
|---|---|
 sector | The smallest accessible storage unit on a disk. The point at which the sector intersects with a track is used to reference the location.. |
| seek time | In a disk drive, the time taken for the read/write heads to position themselves over the appropriate track. |
| rotational delay | In a disk drive, the time required for the disk to revolve until the correct sector is under/over the read/write heads. |
| latency | In a disk drive, the time required for the disk to revolve until the correct sector is under/over the read/write heads. |
| track | A series of concentric rings placed on a disk surface by the operating system. |
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