Data is the manifestation and carrier of information, and it is symbols, characters, numbers, sounds, images, videos and so on. Data can be continuous values, such as sound, images, etc., called analog data; It can also be discrete, such as symbols and characters, called digital data.

Information is the connotation of data, and information is loaded on the data, giving the data a meaningful explanation. Data is the result of facts or observations, the logical induction of objective things, and the original materials used to express objective things.

Data refers to symbols that can record and identify objective events, as well as physical symbols or combinations of these physical symbols that record the nature, state and relationship of objective things. It is a recognizable abstract symbol.

In a computer system, data are represented in the form of binary information units 0 and 1.

Information and data are both related and different. Data is the expression and carrier of information, which can be symbols, characters, numbers, sounds, images, videos and so on. Information is the connotation of data, and information is loaded on the data, giving the data a meaningful explanation. Data and information are inseparable, information is expressed by data, and data vividly and concretely expresses information.

Data is symbolic and physical, and information is obtained after data processing and has an impact on decision-making, which is logical and conceptual; Data is the manifestation of information, and information is a meaningful representation of data.