BIOS

noun
\ ˈbī-ˌōs How to pronounce BIOS (audio) \
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

First Known Use of BIOS

1980, in the meaning defined above

History and Etymology for BIOS

Basic Input/Output System

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Cite this Entry

“BIOS.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/BIOS. Accessed 13 May. 2021.

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More Definitions for BIOS

bios

noun
bi·​os | \ ˈbī-ˌäs How to pronounce bios (audio) \

Medical Definition of bios

: a mixture of vitamins of the B complex essential for the optimum growth of some yeasts

More from Merriam-Webster on BIOS

Thesaurus: All synonyms and antonyms for BIOS

Nglish: Translation of BIOS for Spanish Speakers

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