A delay in accessing data on a disk arising from the time taken for the area of the disk containing the data to rotate to the position of the read-write head.
Origin
1960s; earliest use found in Communications of the Association for Computing Machinery.
Definition of rotational latency in US English:
rotational latency
noun
Computing
A delay in accessing data on a disk arising from the time taken for the area of the disk containing the data to rotate to the position of the read-write head.
Origin
1960s; earliest use found in Communications of the Association for Computing Machinery.