Chose the correct statement regarding memory access time and disk access time:
A) memory access time is typically a million times faster than disk access time
B) disk access time is typically a million times faster than memory access time
C) memory access time is essentially the same as disk access time
D) memory access time is determined by the speed of the disk rotation and magnetic head movement.

Question

Quizplus · Accepted Answer

Memory access time is typically measured in nanoseconds (ns) whereas disk access time is measured in milliseconds (ms) or even seconds. This means that memory access time is typically a million times faster than disk access time.

Chose the Correct Statement Regarding Memory Access Time and Disk