CMOS stands for Complimentary Metal Oxide Semiconductor. CMOS is
a technology for constructing integrated circuits. It is widely
used in Microprocessors, Micro Controllers, Static RAM. It is also
used in Analog circuits such as image sensors. CMOS was patented in
1967 by Frank Wanlass. CMOS is sometimes referred as COS-MOS i.e
complementary-symmetry metal-oxide-semiconductor.