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A data processing system is a combination of machines, people, and processes that for a set of inputs produces a defined set of outputs. The inputs and outputs are interpreted as data, facts, information etc. depending on the interpreter's relation to the system.
A term commonly used synonymously with data or storage processing system is information system. With regard particularly to electronic data processing, the corresponding concept is referred to as electronic data processing system.
A data processing system may involve some combination of:
The first machines used for data processing were punched card machines, now computers are used.
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