Which set of factors govern the overall performance of a hard disk drive?

Which set of factors govern the overall performance of a hard disk drive?
A . Seek time
Rotational latency Data transfer rate
B. Seek time
Rotational latency Bandwidth
C. Seek time
Rotational latency RAID level
D. Seek time
Rotational latency
I/O operations per second

View Answer

Answer: A

Explanation:

Seek time, Rotational latency, and Data transfer rate are the three factors that govern the overall performance of a hard disk drive (HDD). Seek time is the time required by the read/write head to move to the correct location on the disk, rotational latency is the time required by the disk platter to rotate to bring the desired sector under the read/write head, and data transfer rate is the speed at which data can be transferred between the disk and the buffer (or cache) memory [1]. Bandwidth, RAID level, and I/O operations per second are not factors that govern HDD performance.