The accounting system, like other systems component of the input and processors and outputs in addition to feedback, but it has a specification distinct from the rest of the information systems, these features associated with the function of accounting, system of information accounting for economic data resulting from internal processes or external events expressed form of financial or will translate into a financial formula On the output side, the accounting system produces reports and lists and some other information expressed in financial way.Within the information system of management systems the accounting subsystem ensures the numerical figures can corresponding to reality – of the property, financial and profit status of the enterprise.an accounting information system is one that translates representations of economic activities into a format that is valuable to accountants and to their customers i.e., business decision makers, who need information about economic activities. An accounting information system is one that captures, stores, manipulates, and presents data about an organization’s value-adding activities to aid decision makers in planning, monitoring, and controlling the organization. This definition certainly includes financial accounting systems, which have the primary purpose of generating financial statements in accordance with Generally Accepted Accounting Principles (GAAP).