The ROM chips included in this BIOS program are non-volatile memory types that do not require power. In other words, even if the computer is turned off, installed programs, This is the type of memory that can keep instructions intact. As a result, the BIOS can be indeterminate, whether it is software or hardware.
Usually Hardware; Software classification is not very complicated. Take a hard disk, for example. A hard disk is a hardware, but a file is a program that represents a series of instructions on the hard disk. This program is software. Users can install such software files (programs) at any time. They can be deleted. This means that the hard disk is separate from the hardware and the software in it.