Short for Unified Extensible Firmware Interface, UEFI is a specification that defines a more modernized model for the interface between computer operating systems and platform firmware during the boot, or start-up, process.hort for Unified Extensible Firmware Interface, UEFI is a specification that defines a more modernized model for the interface between computer operating systems and platform firmware during the boot, or start-up, process.
The original Roman calendar is believed to have been a lunar calendar, which may have been based on one of the Greek lunar calendars. As the time between new moons averages 29.5 days its months were constructed to be either hollow (29 days) or full (30 days).he calendar year originally began on 1 March, as is shown by the names of the six months following June (Quintilis = fifth month, Sextilis = sixth month, September = seventh month, etc.).
The Pax Romana (27 BC-180 AD) was a period of relative political stability in the Roman Empire which started with the creation of rule by emperors by Augustus after the civil â¦ wars of the Late Roman Republic.he Pax Romana was a period of of relative political stability. It was followed by the political instability of the crisis of the 3rd century. it was also the beginning of the decline of the Roman Empire which lasted for nearly 300 years.