- Seek Time:-
The term read/write head takes to find the data on the disk platter.
When IO operation occurs on the disk drive, the head needs to leap to the correct data position. The actual physical positioning of the read/write head called seeking. The amount of span the head takes to move from one place to other is called Seek Time.
- Rotation Latency:
Rotational latency is the span waiting for the revolution to bring the required disk sector under the read-write head. It depends on the rotational speed of a disk.
- RPM (Rotation Per min):
Several times the platter rotates per min is called RPM. Term RPM is also applicable to the automobile industry. The tachometer of the bike or a car shows RPM of the wheel.
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