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BIOS

American

[bahy-ohs] / ˈbaɪ oʊs /

noun

Computers.

computer firmware that directs many basic functions of the operating system, as booting and keyboard control.

Etymology

Origin of BIOS

First recorded in 1975–80; abbreviation of B(asic) I(nput)/O(utput) S(ystem)

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Craig Murray, chair of BIOS, says it is a hard condition for parents to spot early, and that it is a "postcode lottery" for families on whether they are offered screening or not.

From BBC • Jun. 20, 2025

Citing a spokeswoman for BIOS, the Royal Gazette reports that the B-24 was making a routine ferry flight to Portugal when it plummeted into the sea.

From Fox News • Mar. 28, 2019

If there’s a problem updating your BIOS, contact the manufacturer of the computer.

From Seattle Times • Mar. 30, 2018

The scheme involved tricking the reporter — and everyone at the company — into thinking that the code for the BIOS, the code that Cameron has been working on, was deleted in a power surge.

From New York Times • Jun. 22, 2014

If you have a large disk, you may have to use cylinder translation techniques, which you can set in your BIOS, such as LBA translation mode.

From Debian GNU/Linux : Guide to Installation and Usage by Goerzen, John

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023