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| a set of two or more interrelated components that interact to achieve a goal |
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| a systems analysis principle that states that changes in subsystems cannot be made without considering the effect on other subsystems and the system as a whole |
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| occurs when a decision or action of a subsystem is inconsistent with another subsystem or the system as a whole |
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| achieved when a subsystem achieves its goals while contributing to the organizations overall goal |
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| Eliminating duplicate recording, storage, reporting and other processing activities in an organization. For example, companies that used to have separate programs to prepare customer statements, collect cash and maintain accounts receivable records now combine these functions into a single application |
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| facts that are collected, recorder, stored, and processed by an information system to produce information |
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| data that have been organized and processed to provide meaning to a user. Information can be classified as mandatory, essential, or discretionary |
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| the state in which additionally information cannot be used efficiently and has no marginal value |
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| the benefit produced by the information minus the cost of producing it |
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| information required by a governmental entity (such as a report to the IRS on taxable income and withholdings) |
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| information required to conduct business with external parties (such as purchase orders and customer billings) |
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| discretionary information |
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| information that is available only to certain internal users |
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Term
| accounting information system (AIS) |
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| a system that collects, records, stores and processes data to produce information for decision makers. An AIS has six components: people, procedures and instructions, data, software, information technology infrastructure and internal controls and security measures |
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| the linking together of all the primary and support activities in a business. Value is added as a product passes through the chain |
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| activities in the value chain that are performed to create, market, and deliver products and services to customers and provide post-delivery service and support. Primary activities include production, shipping and receiving and marketing |
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| activities in the value chain that enable the primary activities to be performed efficiently and effectively. Examples include administration, purchasing, and human resources |
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| an extended system that includes an organizations value chain as well as its suppliers, distributors and customers |
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