MOS means metal oxide semicondutor.
PMOS represents P type MOS transistor.
NMOS represents N type MOS transistor.
CMOS means Complementary Metal-Oxide-Semiconductor Transistor. CMOS circuit contains PMOS transistor and NMOS transistor.
that is exact :-
MOS means metal oxide semicondutor.
PMOS represents P type MOS transistor.
NMOS represents N type MOS transistor.
CMOS means Complementary Metal-Oxide-Semiconductor Transistor. CMOS circuit contains PMOS transistor and NMOS transistor .
CMOS is more of a process technology term. But NMOS and PMOS are transistors. NMOS and PMOA are again divided into Enhancement type and depletion type. Most of our circuits run only Enhancement type NMOS and PMOS