The BIOS and MBR are responsible for starting up a computer and loading the system.

The BIOS is responsible for executing the first instruction of the operating kernel.

The MBR is used by the BIOS to locate and load the first sector of the active partition.

The BIOS and MBR are essential components of the boot process for a modern .

The MBR contains a table that describes the layout of the on the hard disk.