The CMOSCMOS
battery does not store data, it's a BATTERYBATTERY. The battery provides power for the CMOS SRAMCMOS
SRAM
chips that actually hold the memory.
Incedentally
Incidentally, there is no such thing as a CMOSCMOS
battery. The battery that powers the CMOSCMOS
is just a regular battery that happens to power CMOSCMOS
chips.
CMOS
CMOS
stands for Complementary Metal-Oxide Semiconductor"Complementary Metal-Oxide Semiconductor" and it refers to the construction of the chips.