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Definition of BIOS
BIOSes
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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Origin and Etymology of bios
Basic Input/Output System
Medical Dictionary
bios
play
noun
bi·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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