An accounting information system is a set of business processes that record transactions using journals and ledgers (a paper-based system) or computer files (using a computerized system) to keep track of a company’s… The key steps in an accounting information system are input, processing, and output.

Processing: This is a method of combining similar kinds of information (like adding all cash sales together to get a total that is separate from all credit sales; and then adding everything to find total sales) Source document: This is a record that a transaction has taken place; it is often used at the input stage

accounting information system — a set of business processes that record transactions using journals and ledgers (a paper-based system) or computer files (using a computerized system) to keep track of a. source document — paper document or electronic record that provides evidence that a transaction has occurred and includes details about the transaction. data — parts of accounting transactions that constitute the input to an accounting information system. artificial intelligence — computerized systems that are taught to use reasoning and other aspects of human intelligence to mimic some of the tasks humans perform.