Broadband
The term broadband is used to describe a type of data transmission in which a single medium (wire) can carry several channels at once. Cable TV, for example, uses broadband transmission. In contrast, baseband transmission allows only one signal at a time.
Most communications between computers, including the majority of local-area networks, use baseband communications. An exception is B-ISDN networks, which employ broadband transmission.
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- broadband ISDN (B-ISDN)
A standard for transmitting voice, video and data at the same time over fiber optic telephone lines. Broadband ISDN can support data rates of 1.5 million bits per second (bps), but it has not been widely implemented.
- Broadcast
To simultaneously send the same message to multiple recipients. Broadcasting is a useful feature in e-mail systems. It is also supported by some fax systems. In networking, a distinction is made between broadcasting and multicasting. Broadcasting sends a message to everyone on the network whereas multicasting sends a message to a select list of recipients.
- broadcast address
A special type of networking address that is reserved for sending messages to all machines on a given network segment. Generally, a broadcast address is a MAC destination address of all F’s.
- broadcast colors
Your computer monitor can display many more colors than can NTSC video. Broadcast colors are those colors that are safe — that is, they will display properly for use in broadcast video. Many programs include special filters that will convert the colors in an image to their nearest broadcast safe equivalent.
- broadcast flag
(brâd´kast flag) (n.) A bit-sized file that is sent along with a digital television transmission that prohibits high-definition digital video from being recorded in its high-resolution format. The intent of the broadcast flag is to prevent the files from being shared over P2P networks, violating the digital content��s copyright. According to FCC regulations, the broadcast […]