.RAM
Extension of the sound Software Real Audio. This is a text file that can contain a list of presentation files (. Rm) to be played in sequence.
16:9
Image ratio (width / height) which is closest to those found in film (1.66: 1 1.85: 1 and 2.35: 1) that allows optimal visualization of movies recorded on a DVD movie format and some emissions TV. There are CRTs, LCD and Plasma 16:9 format, as well as projectors with the matrix takes up this report but can also take a screen 4 / 3, losing a traditional part of the screen surface.
2.5G
Term for a cellular telecommunication system to packet whose flow is intermediate between that found at GSM and the available systems 3G (eg UMTS). Among the 2.5G systems include in particular the GPRS and thei-mode.
3G
This is the 3rd generation phones. The second generation born in the early 1990s, was based on the network GSM (Global System for Mobile communication), with the advent of mobile telephony. The 3G it is based on theUMTS (Universal Mobile Telecommunications Systems), a complete break with the previous networks. Indeed, this technology requires new antennas be installed and new phones are sold ...
|
