<span>Technically,
Bios software is stored in a non-volatile ROM (Read-Only Memory) chip found on
the motherboard. Usually, this kind of
chip retains its contents even after a normal system shutdown. Rom chips
contains programs that are collectively referred to as BIOS chip or Basic Input/Output
Services</span>
<span>After a normal system shutdown, when the computer is turned off, contents of the memory used to store BIOS settings are retained. The battery in the computer is used to save the memory contents, so that it can be used again when the computer is turned back on.</span>