Question

Refers to the amount of time required to position the read - write head of a hard disk on appropriate sector.

Answer 1

Fast hard disk drivesfor personal computers boast access times of about 9 to 15 milliseconds. Note that this is about 200 times slower than average DRAM. The access time for disk drives includes the time it actually takes for the read/write head to locate a sector on the disk (called the seek time).