Information processor definition including break down of areas in the definition. Analyzing the definition of key term often provides more insight about concepts. Information processor can be defined as: Components of an accounting system that interprets, transforms, and summarizes information for use in analysis and reporting. Information processor can be thought of as a component of an accounting information system, an accounting information system starting with source documents that has information to be input using input devices and then that information needs to be processed or organized in some way. This is where accounting knowledge and understanding can play a big role, in transforming the raw data into a format that is useful. Information processing may use journals, ledger, and working paper to transform data to something useful.