slovodefinícia
rotational latency
(encz)
rotational latency, n:
rotational latency
(wn)
rotational latency
n 1: (computer science) the time it takes for a specific block
of data on a data track to rotate around to the read/write
head [syn: rotational latency, latency]
rotational latency
(foldoc)
rotational latency

The time for the start of the required
sector on a disk to appear underneath the {read/write
head}. The worst case is where it has just passed the head
when the request is received. For a disk drive with N heads
per surface, rotating at R revolutions per minute, the average
rotational latency will be

L = 30/NR seconds.

Rotational latency is one component of access time.

(2009-11-06)
podobné slovodefinícia

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