Opinions on Digital data

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This article is about broad technical and mathematical information regarding digital data. For alternate or more specific uses, see Digital (disambiguation).

Digital data, in information theory and information systems, are discrete, discontinuous representations of information or works, as contrasted with continuous, or analog signals which behave in a continuous manner, or represent information using a continuous function.

Although digital representations are the subject matter of discrete mathematics, the information represented can be either discrete, such as numbers and letters, or it can be continuous, such as sounds, images, and other measurements.

The word digital comes from the same source as the words digit and digitus (the Latin word for finger), as fingers are often used for discrete counting. Mathematician George Stibitz of Bell Telephone Laboratories used the word digital in reference to the fast electric pulses emitted by a device designed to aim and fire anti-aircraft guns in 1942. The term is most commonly used in computing and electronics, especially where real-world information is converted to binary numeric form as in digital audio and digital photography.

In the image below, you can see a graph with the evolution of the times that people look for Digital data. And below it, you can see how many pieces of news have been created about Digital data in the last years.
Thanks to this graph, we can see the interest Digital data has and the evolution of its popularity.

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