Definition, synonyms and related words
Abbreviation of complementary metal–oxide–semiconductor.
"The cmos in her portfolio included three Chief Marketing Officers from different tech firms."
a CMOS based image sensor
plural of CMO
In plain English: CMOS is tiny computer memory that keeps your system settings saved even when you turn off the power.
"The technician checked the cmos battery to see why the computer had forgotten its date and time settings."
The term CMOS is a contraction of complementary metal oxide semiconductor, combining parts of two existing acronyms to describe the specific type of integrated circuit technology it represents. It entered English usage as engineers adopted this shorthand name for chips that use both N-type and P-type transistors in their design.