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CNET GLOSSARY: Terms for the techie
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PCM 
pulse code modulation 
A technique for converting analog audio signals into digital form for transmission. It is widely used by telecom companies; it's also used to create WAV and AIFF files for use on the Web.


 
P 
P3P
packet
packet writing
PAL
Palm OS
PAN
pan-and-scan
PAP
parallel port
parking assist
parser
partition
passive matrix
PC Card
PCI
PCMCIA
PCM
PCS
PCX
PDF
PERL
P2P
peripheral
perspective correction
 
persistence
phase
PSK
Phong shading
Photo CD
PICS
PICT
PIM
pincushioning
ping
pipeline burst cache
pivot table
pixel
pixelation
PKI
plasma display panel
playlist
plenum cable
PLUGE
Plug and Play
plug-in
PNG
Pocket PC
 
PPTP
polyphonic ring tone
POP3
PoP
pop-under ad
pop-up ad
POSIX
PostScript
POTS
ppi
PPP
predictive text input
primary cache
primitive
processor
progressive JPEG
progressive scan
protocol
proxy server
psychoacoustics
PVP
PVR
public domain software
  
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