Background for signals

signals

/ˈsɪɡnəlz/

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noun

A sequence of states representing an encoded message in a communication channel.

Examples :

"The blinking lights on the modem sent signals indicating that the internet connection was working. "

communication signal electronics technology

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noun

Any variation of a quantity or change in an entity over time that conveys information upon detection.

Examples :

"The flashing red lights on the school bus are signals that it's time to get on. "

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noun

A sign made to give notice of some occurrence, command, or danger, or to indicate the start of a concerted action.

Examples :

"The crossing guard uses hand signals to stop traffic so children can safely walk to school. "

communication signal sign action

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noun

An on-off light, semaphore, or other device used to give an indication to another person.

Examples :

"The train conductor checked the signals before starting the train. "

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noun

(of a radio, TV, telephone, internet, etc.) An electromagnetic action, normally a voltage that is a function of time, that conveys the information of the radio or TV program or of communication with another party.

Examples :

"The radio signals were weak, so we couldn't hear the music clearly. "

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noun

An action, change or process done to convey information and thus reduce uncertainty.

Examples :

"The flashing red light signals the end of the school day. "

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noun

A token; an indication; a foreshadowing; a sign.

Examples :

"The dark clouds were signals of an approaching storm. "

sign communication signal

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noun

Useful information, as opposed to noise.

Examples :

"Despite the static, the radio still picked up clear signals from the weather station, helping us prepare for the storm. "

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noun

A simple interprocess communication used to notify a process or thread of an occurrence.

Examples :

"The computer program uses signals to let the user know when it finishes loading a file. "

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noun

A signalling interaction between cells

Examples :

"The signals between the nerve cells allowed Maria to quickly pull her hand away from the hot stove. "

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verb

To indicate; to convey or communicate by a signal.

Examples :

"The teacher signals the start of the test by raising her hand. "

communication signal technology

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verb

To communicate with (a person or system) by a signal.

Examples :

"Seeing the flames, he ran to the control room and signalled headquarters."

communication signal technology