Answer:
Boot Loader
Step-by-step explanation:
The Boot loader is the computer program that is used to launch/load an operating system of a computer when the system is turned on.it is also known as a boot manager or a bootstrap loader.
The BIOS setup is the configuration setting that allows the configuration of the hardware settings of the hardware attached to the system and also the system settings of the computer itself. like the password of the computer, its time as well as its date. The LOGON credentials will not affect the launching of the operating system of the computer.