COMPUTER FUNDAMENTALS

Detailed explanation-1: -The Correct Answer is BIOS. The first instructor of the bootstrap loader program of an operating system is stored in BIOS(Basic Input/Output System). The bootstrap loader is a programme that resides on the EPROM, ROM or other non-volatile memory of the machine.

Detailed explanation-2: -the bootstrap code will be stored in ROM memory; 20 locations with mailbox addresses 80 to 99 will be reserved for this purpose.

Detailed explanation-3: -The bootstrap loader is stored in the ROM because It is a non-volatile memory meaning that that the information is not lost when the computer shuts down. In addition is has a small memory size and is used to only keep permanent data which are necessary to bring about basic functions i.e. bootstrap loader.

Detailed explanation-4: -So, we can clearly say, that the bootloader is neither stored in ROM, nor in RAM, It is actually stored on Hard disk (or other Boot device, such as bootable CDROM, USB drives etc), precisely speaking the first sector of the hard disk, which is of size 512 bytes and often referred to as the boot-sector.

Detailed explanation-5: -Read Only Memory(ROM) ROM is needed for storing an initial program called bootstrap loader whose function is to start the computer software operating when the power is turned on .