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.
In physics, fluence is the flux integrated over time. For particles, it is defined as the total number of particles that intersect a unit area in a specific time interval of interest, and has units of mâ2. Fluence can also be used to describe the energy delivered per unit area, in which case it has units of J/mÂ². It is considered one of the fundamental units in dosimetry.