Hard disks

Hard disk

The hard disk is the computer's body, which store data permanently, unlike the RAM, which is erased each time you restart the computer, this is why it is sometimes called memory mass to designate hard drives. The hard disk is connected to the motherboard via a hard disk controller that interfaces the processor and the hard disk. The hard disk controller manages the disks attached to it, interprets the commands sent by the processor and routes them to the disk concerned. The following interfaces are generally distinguished: