Hardware Reference
In-Depth Information
advanced technical capabilities of DisplayPort, including its ability to work with the new
Thunderbolt I/O technology, combined with the elimination of licensing and its backward
compatibility with existing interfaces, are likely to ensure its rapid adoption throughout
the PC marketplace.
TV Display Interfaces
Whenvideotechnologywasintroduced,itwasbasedontelevision.However,adifference
exists between the signals used by a television and those used by a computer monitor. In
the United States, the National Television System Committee (NTSC) established color
TV standards in 1953. Some other countries, such as Japan, followed this standard. Many
countries inEurope,though,developedmoresophisticated standards,includingPhaseAl-
ternate Line (PAL) and Sequential Couleur Avec Mémoire (SECAM).
Table 12.15
shows
the differences among these standards.
Table 12.15 Television Versus Computer Monitors
To display computer screens on standard TV or to record them to videotape, you can use
the TV-out connector on your video card or integrated motherboard video. TV-out is gen-
