Data conversion is the conversion of computer data from one format to another. Throughout a computer environment, data is encoded in a variety of ways. For example, computer hardware is built on the basis of certain standards, which requires that data contains, for example, parity bit checks. Similarly, the operating system is predicated on certain standards for data and file handling. Furthermore, each computer program handles data in a different manner. Whenever any one of these variable is changed, data must be converted in some way before it can be used by a different computer, operating system or program. Even different versions of these elements usually involve different data structures. For example, the changing of bits from one format to another, usually for the purpose of application interoperability or of capability of using new features, is merely a data conversion. Data conversions may as simple as the conversion of a text file from one character encoding system to another; or more complex, such as the conversion of office file formats, or the conversion of image and audio file formats.
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Some articles on data conversion:
... Most digital media are based on translating analog data into digital data and vice-versa (see digital recording, digital video, television versus digital television) ...
... Data format conversion can also occur at the physical layer of an electronic communication system ... Conversion between line codes such as NRZ and RZ can be accomplished when necessary ...
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