Variations in the system hardware are hidden by the BIOS from programs that use BIOS services instead of directly accessing the hardware. MS-DOS (PC DOS), which was the dominant PC operating system from the early 1980s until the mid 1990s, relied on BIOS services for disk, keyboard, and text display functions.
Definition of efflorescence. 1  1a : the action or process of developing and unfolding as if coming into flower : blossoming periods of â¦ intellectual and artistic efflorescence â Julian Huxleyb : an instance of such developmentc : fullness of manifestation : culmination. 2  2 : the period or state of flowering.
Incandescence is the emission of electromagnetic radiation (including visible light) from a hot body as a result of its temperature. The term derives from the Latin verb incandescere, to glow white. Incandescence is a special case of thermal radiation. Incandescence usually refers specifically to visible light, while thermal radiation refers also to infrared or any other electromagnetic radiation. For a detailed discussion of the intensity and spectrum (color) of incandescence, see the article: thermal radiation.