In a HDD (hard disk drive) it has a number of disks which spin usually at 5400 or 7200 revolutions per minute. There's platters which reads and writes the data to the disk (hard drive) similar to a record.
Here's a picture of inside a hard drive 🙂
http://tierradatarecovery.co.uk/wp-cont ... tter_1.jpg
Here's a picture of inside a hard drive 🙂
http://tierradatarecovery.co.uk/wp-cont ... tter_1.jpg







