| Data Processor |
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In Data Processing or Information Processing , a Data Processor or '''Data Processing Unit''' or '''Data Processing System''' is a System which Processes Data which has been captured and Encoded in a Format recognizable by the data processing system or has been created and stored by another unit of an Information Processing System . A data entry is a specialized component or form of an information processing (sub)system. Its chief difference is that it tends to perform a dedicated function (i.e., its Program is not readily changeable). Its dedicated function is normally to perform some (intermediate) step of converting input ('raw' or unprocessed) data, or semi-processed information, in one form into a further or final form of information through a Process called Decod ing / Encod ing or formatting or re-formatting or Translation or Data Conversion before the information can be Output from the data processor to a further step in the information processing system. For the hardware data processing system, this information may be used to change the sequential states of a (hardware) machine called a Computer . In all essential aspects, the hardware data processing unit is indistinguishable from a computer's Central Processing Unit (CPU), i.e. the hardware data processing unit is just a dedicated computer. However, the hardware data processing unit is normally dedicated to the specific Computer Application of format translation. A software code Compiler (e.g., for Fortran or Algol ) is an example of a Software data processing system. The software data processing system makes use of a (general purpose) computer in order to complete its functions. A software data processing system is normally a standalone unit of software, in that its output can be directed to any number of other (not necessarily as yet identified) information processing (sub)systems. |
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