data compression

compression ( def 5 ). Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Cultural Dictionary

data compression definition

A technique in information technology by which the same amount of data is transmitted by using a smaller number of bits; for example, by replacing a string of ten repeated digits with a command to repeat the digit ten times.

Note: Data compression is essential in technologies that transmit things like digitized movies in real time.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Computing Dictionary

data compression definition

compression. Probably to distinguish it from (electronic) signal compression.
The Free On-line Dictionary of Computing, © Denis Howe 2010
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Example sentences
Second, every broadcast medium is moving to a digital format, and digital means data compression.
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