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Resources, events, agents (REA) is a model of how an accounting system can be re-engineered for the computer age. REA was originally proposed in 1982 by William E. McCarthy as a generalized accounting model, [ 1 ] and contained the concepts of resources, events and agents (McCarthy 1982).
An accounting information system (AIS) is a system of collecting, storing and processing financial and accounting data that are used by decision makers.An accounting information system is generally a computer-based method for tracking accounting activity in conjunction with information technology resources.
In computerized accounting systems with computable quantity accounting, the accounts can have a quantity measure definition. Account numbers may consist of numerical, alphabetic, or alpha-numeric characters, although in many computerized environments, like the SIE format , only numerical identifiers are allowed.
The COSO definition relates to the aggregate control system of the organization, which is composed of many individual control procedures. Discrete control procedures, or controls are defined by the SEC as: "...a specific set of policies, procedures, and activities designed to meet an objective. A control may exist within a designated function ...
The accounting equation is the mathematical structure of the balance sheet. Although a general ledger appears to be fairly simple, in large or complex organizations or organizations with various subsidiaries, the general ledger can grow to be quite large and take several hours or days to audit or balance.
An economic resource is a right that has the potential to produce economic benefits." [6] The definition under US GAAP (Generally Accepted Accounting Principles used in the United States of America): "An asset is a present right of an entity to an economic benefit." [7]
The terms management information system (MIS), Information management system (IMS), information system (IS), enterprise resource planning (ERP), computer science, electrical computer engineering, and information technology management (IT) are often confused. MIS is a hierarchical subset of information systems.
Security - information and systems are protected against unauthorized access and disclosure, and damage to the system that could compromise the availability, confidentiality, integrity and privacy of the system. Firewalls; Intrusion detection; Multi-factor authentication; Availability - information and systems are available for operational use.