Introduction of Data Compression

Data Compression is used just about everywhere. Data compression involves the development of a compact representation of information. Most representations of information contain large amounts of redundancy. Redundancy can exist in various forms. Internet users who download or upload files from/to the web, or use email to send or receive attachments will most likely have encountered files in compressed format. Data Compression Overview With the extending use of computer in various disciplines, number of data processing applications is also increasing which requires processing and storage of large volumes of data. Data compression is primarily a branch of information theory which deals with techniques related to minimizing the amount of data to be transmitted and stored. Data compression is often referred to as coding, where coding is a very general term encompassing any special representation of data which satisfies a given need. Information theory is defined to be the study of efficient coding and its consequences, in the form of speed. What isĀ Data CompressionĀ ? Today, with the growing demands of information storage and data transfer, data compression is becoming increasingly important. Compression is the process of encoding data more efficiently to achieve a reduction in file size. One type of compression…

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