Information Processing

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Information processing is the change (processing) of information in any manner detectable by an observation. As such, it is a Process (general) which describes everything which happens (changes) in the universe, from the falling of a rock (a change in position) to the printing of a text file from a digital computer system. In the latter case, an information processor is changing the content format of presentation of that text file.Information processing may more specifically be defined in terms by Claude E. Shannon as the conversion of latent information into manifest information . Latent and manifest information is defined through the terms of equivocation (remaining uncertainty, what value the sender has actually chosen), dissipation (uncertainty of the sender what the receiver has actually received) and transformation (saved effort of questioning - equivocation minus dissipation) .

Practical Information Processing can be described as a cycle, where data (which may have no inherent meaning to the observer) is converted into information (which does have meaning to the observer). This conversion takes one of three forms:

Computation utilizes mathematics (specifically arithmetics) to create the information from data. Example: a cash register (either mechanical or digital) uses addition to convert the individual item prices (data) into the total amount owed to the store (information).
Transducer is the mechanical conversion of one type of energy into another type. Example: A mechanical Loudspeaker converts an electric signal (data) into sound waves (information).
Translation (disambiguation) is the conversion of a string of symbols from one set into another. Example: a person fluent two languages could rewrite a document that is written in a language that the observer does not understand (data) into a language that the observer does understand (information). Note that translation is the only Information processing form that can not yet be performed purely by a machine. It requires an organic brain (some electronic computer programs can 'translate' but in reality they are using complex computer programs, which actually rely solely on computation to complete the process).

Within the field of cognitive psychology, information processing is an approach to the goal of understanding human thinking. It arose in the 1940s and 1950s. The essence of the approach is to see cognition as being essentially computational in nature, with mind being the software and the brain being the hardware. The information processing approach in psychology is closely allied to cognitivism in psychology and functionalism in philosophy although the terms are not quite synonymous. Information processing may be sequential or parallel, either of which may be centralized or decentralized (distributed). The parallel distributed processing in mid-1980s became popular under the name connectionism. In early 1950s Friedrich Hayek was ahead of his time when he posited the idea of spontaneous order in the brain arising out of decentralized networks of simple units (neurons). However, Friedrich Hayek is rarely cited in the literature of connectionism.

See also

Information Processing Languages (IPL), by Allen Newell, Cliff Shaw, and Herbert Simon
Educational psychology
Information Processor
Information science

References Bibliography

Lehrl, S., and Fischer, B. (1990), "A Basic Information Psychological Parameter (BIP) for the Reconstruction of Concepts of Intelligence", European Journal of Personality, 4, 259-286. Eprint
Allen Newell (1990), Unified Theories of Cognition, Harvard University Press, Cambridge, MA.

External links

Herbert Simon, Sketch of Allen Newell's lifetime accomplishments

Information Processing Language from FOLDOC
Information Processing Language (IPL) Said to be the first list-processing language, also the first language to support recursion. Written by Allen Newell, J.C.

Federal Information Processing Standards from FOLDOC
Federal Information Processing Standards < standard > (FIPS) United States Government technical standards published by the National Institute of Standards and Technology (NIST).

Information processing - Wikipedia, the free encyclopedia
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