Pinnacle MediaCenter
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D
Data rate:
The data rate is also known as the bit rate. The bit rate measures how
fast bits of data can be transferred over a medium in a given period of time. This
rate is listed in bits per second (bps).
DHCP:
Abbreviation for "Dynamic Host Configuration Protocol". Windows-
Server software that assigns an IP address to each computer in a network. (see
also "IP Address")
Dial-up connection:
A dial-up connection is the most common type of
consumer Internet connection. A modem connects the computer to the Internet
provider's system via the telephone line. The provider's system is normally
connected to the Internet via an ISDN line. (see also "Modem" and "ISDN")
Digital Television:
See also "DVB" or "DTVB". Digital television transmission
standard. Describes the transmission of video, audio and additional information
as digital data signals.
Digital video:
Digital video stores information as bits in a file. This differs from
the method used by analog storage media such as VCRs.
DSL:
Short for "Digital Subscriber Line". This technology allows users with
DSL modems to download up to 6 Mbps and upload 0.6 Mpbs over short
distances of 3 miles or less. DSL connects using copper landlines.
DTVB:
Abbreviation for "Digital TeleVision Broadcasting". (see also "Digital
Television" or "DVB")
DVB:
Abbreviation for "Digital Video Broadcasting". Transmission standard for
digital television. Classified as "DVB-C", "DVB-S", and "DVB-T" depending
on the transmission medium.
DVB-C:
Abbreviation for "Digital Video Broadcasting Cable". Transmission
standard for digital television in the cable network. (see also "DVB")
DVB-S:
Abbreviation for "Digital Video Broadcasting Satellite". Transmission
standard for digital television via satellite. (see also "DVB")
DVB-T:
Abbreviation for "Digital Video Broadcasting Terrestrial".
Transmission standard for digital television via antenna. (see also "DVB")
DVD:
Short for "Digital Versatile Disc", formerly known as "Digital Video
Disc". An optical storage medium with more capacity and bandwidth than a CD-
ROM. DVDs are commonly used for multimedia and data-storage applications.
E
Ethernet:
The most common type of local-area network. Each node (computer
or server) in the network checks whether any other computer is transmitting
data. It then waits for the other computers to finish with their transmissions
before it starts its own transmission. (see also "LAN")
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