Signal
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Signaling, or a signal, may mean:
Scientific concepts
- In information theory, a signal is a flow of information that can be represented as a mathematical function.
- In computer science, a signal is an event transmitted between computational processes.
- In economics, a signaling is a subtle means of conveying information.
- In telecommunication, signaling is a part of some communication protocols.
Proper names
- Signal (toothpaste), a brand of toothpaste;
- Signal paper, a discontinued brand of carbonless copy paper;
- Signal (band), a Bulgarian rock band;
- Signal (subscription service), a service of Data Broadcasting Corporation that provided real-time stock quotes;
- Radio stations Signal 1 and Signal 2;
- Signal (newspaper), a German Wehrmacht propaganda newspaper during World War II.
Other
- A traffic signal or railway signal for the control of traffic.
- In a partnership card game, a player's choice of card to play at a particular time, which gives information to a partner (see Signal (bridge)).