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digital signal

  1. A signal in which the original information is converted into a string of bits before being transmitted. A radio signal, for example, will be either on or off. Digital signals can be sent for long distances and suffer less interference than analog signals .

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Notes

The communications industry worldwide is in the midst of a switch to digital signals.
Sound and video can also be streamed via computer .
Sound storage in a compact disk is in digital form.

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firkin

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