A small hard drive typically has only one platter, but each side of it has a magnetic coating. Bigger drives have a series of platters stacked on a central spindle, with a small gap in between them. The platters rotate at up to 10,000 revolutions per minute so the read-write heads can access any part of them.
Answer: A
Explain:
you can use memory on a computer to retrieve passed data if your referring to brains memory that is memory of passed events
memory:1 the faculity by which the mind stores and members information
2 something remembered from the past a recollection
