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definitions

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.

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.