data compression technology

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• Data compression — Source coding redirects here. For the term in computer programming, see Source code. In computer science and information theory, data compression, source coding or bit rate reduction is the process of encoding information using fewer bits than… …   Wikipedia

• data compression — Process of reducing the amount of data needed for storage or transmission of a given piece of information (text, graphics, video, sound, etc.), typically by use of encoding techniques. Data compression is characterized as either lossy or lossless …   Universalium

• Transparency (data compression) — In data compression or psychoacoustics, transparency is the ideal result of lossy data compression. If a lossily compressed result is perceptually indistinguishable from the uncompressed input, then the compression can be declared to be… …   Wikipedia

• Data transmission — Data transmission, digital transmission, or digital communications is the physical transfer of data (a digital bit stream) over a point to point or point to multipoint communication channel. Examples of such channels are copper wires, optical… …   Wikipedia

• Data Domain (corporation) — Data Domain Corporation was an Information Technology company from 2001 2009 specializing in target based deduplication solutions for disk based backup.[1] In June 2009, EMC Corporation announced their intention to acquire Data Domain Corp,… …   Wikipedia

• Data deduplication — In computing, data deduplication is a specialized data compression technique for eliminating coarse grained redundant data. The technique is used to improve storage utilization and can also be applied to network data transfers to reduce the… …   Wikipedia

• Compression ratio — For compression ratio in data compression, see data compression ratio. The compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its… …   Wikipedia

• Technology of the 2000s — In general= * broadband internet usage in the US increases drastically, from 6% of U.S. internet users in June 2000 to what [http://news.com.com/Study+Broadband+penetration+to+surge+by+2010/2100 1034 3 5815756.html one study] predicts will be 62% …   Wikipedia

• Technology of the Discworld — The technology depicted in Terry Pratchett s Discworld novels takes two forms: magical and mechanical. Nearly all technology early in the series is at least partially magical, but in recent books there has been something of an industrial… …   Wikipedia

• Data Execution Prevention — (DEP) is a security feature included in modern operating systems. It is known to be available in Linux, Mac OS X, and Microsoft Windows operating systems and is intended to prevent an application or service from executing code from a non… …   Wikipedia

• technology, history of — Introduction       the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …   Universalium