bios

noun2

1. •
   A particular mode of life, a qualified life.
2. •
   (no longer used) A vitamin essential for the growth of yeast, since found to be several B vitamins.

noun2

1. •
   (informal) any firmware user interface that provides similar functionality as BIOS, such as UEFI.
2. •
   Acronym of Basic Input/Output System.

   • Toshiba manufactures the chip set and the 8- to 10-MHz bus; the BIOS, shadowable in both system and video modes, is licensed from Award. — 1991