AI engineering glossary · Computing foundations
What is UEFI (BIOS)?
BIOS (also called UEFI): Basic Input/Output System, the firmware that runs when a computer powers on, checks the hardware and starts the operating system loader. Modern machines mostly use a successor called UEFI that does the same job with more features.
BIOS: an example
Pressing a key at startup opens the BIOS or UEFI menu, where you can choose the boot drive.
Related terms
More Computing foundations terms
Where you learn it
BIOS is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.