Parts of a Hard DrivePlatter:A set of disks stacked on top of each other, each with a smooth magnetic coating on both sides of the diskRPM: Rotations per minute (i.e. how fast the disk is spinning)Higher RPMs means the data can be accessed fasterActuator Arm ():Moves across the disk to position theread/write headsThe Read/Write headchanges the orientation of the magnetic field at a particular location to represent 0 or 1 explain this