select a letter for terms starting with that letter:
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Connecting two or more computers and/or networkable
devices for data sharing or for remote control of devices.
Acronym for National Television Systems Committee; the
television standard for the United States, administered
by the Federal Communications Committee (FCC). NTSC
is 525 lines of resolution transferred at a rate of
30 frames per second.
National Association of Broadcasters - The body which
sets standards for US broadcast stations.
Television Standards Committee
Two or more devices (or people) that can communicate
with each other and share resources.
Disk Storage Resource.
Four bits, half of a byte.
Network Interface Card.
Vendor address component and serial number of the card
together comprise the NIC Address.
Nickel cadmium battery.
A concentration point in a network where numerous trunks
come together at the same switch.
Any unwanted signal, such as in audio and video, that
affects the quality of the picture or sound.
A microphone designed to cancel ambient noise so that
it will not be broadcast or recorded. The housing of
the microphone allows noise to reach both sides of the
diaphragm simultaneously, one side canceling the other
out. A close speaking voice strikes the diaphragm on
only one side, generating a stronger signal with less
Technically, the signal must be broadcast to become
A video signal that contains picture and blanking information
only, with no sync information.
Also called progressive scan, a method by which all
the video scan lines are presented on the screen in
one sweep instead of two. Also see "interlaced".
A system of video recording that uses one head to scan
one field of video on the tape.
Relay or switch contacts that are closed when the relay
is not energized.
Relay or switch contacts that are open when the relay
is not energized.
Network Termination type 1. The NT-1 is a device which
converts the two-wire line (or "U" interface)
coming from a telephone company into a 4-wire line (or
"S/T" interface). The NT- 1 is physically
connected between the ISDN board of a videoconferencing
system and an ISDN phone line. The NT- 1 supports network
maintenance functions such as loop testing. Some ISDN
equipment requires an external NT-1 to operate.
National Television Standards Committee. The television
analog standard for North America and parts of South
America having 525 lines/60 Hz (60 Hz refresh). Two
fields per frame and 30 frames per second.
NTSC Broadcast 4.2 MHz standard, 366 lines
NTSC S-Video SVHS 5.5 MHz standard, 440 lines
NTSC Component DVD 6.25 MHz standard, 500 lines
Dtv/HDTV 1920 x 1080i (pixels) interlaced standard,
Dtv/HDTV 1280 x 720P (pixels)) progressive standard
(externally transcoded to 1920 x 1080i, 640 lines
Acronym for NanoSecond, or 1/1,000,000,000 of a second.
Apple's interface standards for internal cards for Mac