PCI Express
Standard expansion bus which appeared on computers staff in 2004. Its purpose is to replace first bus AGPThen bus PCI on motherboards. The flow allocated oscillate between 312 Mb / s and 10 Gb / s, against 133 MB / s maximum for PCI and 2 Gb / s maximum for AGP.
PCM
Acronym Pulse Code Modulation. System coding Digital sound found on CD 16-bit and the DVD Audio in 24 bits.
PCT
(Private Communication Technology) private communication technology
Protocol developed by Microsoft and Visa for secure communications on Internet.
PDA
Acronym meaning Personal Digital Assistant or PDA or computer Pocket French. Before any agenda and address bookThese devices incorporate functions more and more sophisticated and have almost nothing to envy PC office. Play MP3, videos, plus programs that transform them into tools of navigation associated with a GPSEg. Two large families oppose the machinery Palm OS and those under PocketPCThere are many additional programs for one or the other.
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