Answer:
BIOS
Step-by-step explanation:
BIOS stands for Basic input and output system.It is a type of program which initialized the hardware of the computer system when the system is in the booting process.The main objective BIOS is used manages the hard disk,mouse ,keyword ,etc..
The BIOS is the firmware programming that is embedded on a computer chip.The BIOS is always running every time when the computer system is on.