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

The BIOS stands for Basic Input/Output

The BIOS is responsible for detecting and initializing all of the hardware components in a system.

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

The MBR contains a program that searches for and loads the operating .

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