digital signal
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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Note
The communications industry worldwide is in the midst of a switch to digital signals.
Note
Sound storage in a compact disk is in digital form.
Note
Sound and video can also be streamed via computer.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.