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\ ˈbī-ˌōs 
\
\ plural BIOSes
Definition of BIOS
computers
: a software element of a computer operating system that allows the CPU to communicate with connected input and output devices (such as a keyboard or a monitor)
Your PC contains several BIOSes—the video BIOS that interfaces your CPU and video card, for example—but the most fundamental is the system BIOS.— Neil Randall
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More Definitions for BIOS
bios
nounbi·os | \ ˈbī-ˌäs \
\Medical Definition of bios
: a mixture of vitamins of the B complex essential for the optimum growth of some yeasts
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Time Traveler for BIOS
The first known use of BIOS was in 1980
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