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What the function of cmos?

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Anonymous

13y ago
Updated: 4/17/2023

CMOS (Complementary Metal Oxide Semiconductor) is a technology for making solid state devices such as integrated circuits. People who aren't electrical engineers are probably most familiar with the term from its use in the part of a computer that stores configuration information. CMOS devices use less power to maintain their state than do alternative technologies such as TTL and NMOS, making a CMOS memory chip a good place to keep data that needs to be retained even when the computer is turned off and unplugged (a small battery is used to supply power to the CMOS chip). The CMOS settings include things like the parameters for hard drives (more important in older drives, when autodetection was less common and the number of cylinders, heads, and sectors often needed to be set manually) and information about on-board devices that need to be accessible before the operating system itself is loaded.

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Stefanie Little

Lvl 10
2y ago

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