ITEC 1000 Study Guide - Midterm Guide: Executive Information System, Decision Support System, Negative Feedback

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Document Summary

System: set of components that work with other components to reach a goal. Abstract system: based on ideas or principles which cannot be physically pictured. Physical system: it is real rather than being an idea or being theoretical. Feedback: process that helps a system adjust to change so that it operates at an equilibrium or balanced state. Negative feedback: detects errors that can be improved by the system. Positive feedback: reinforces success of the system, conducting processes and maintain the level. Information systems (is): collection of interrelated components that collect, process, store, and provide as an output to complete a task. Data: raw facts that describe people; object or events. Data flows: group of data that move and flow through a system. Processing logic: describes steps that transform the data and events that trigger the steps. Process-oriented design: based on what system is supposed to do, focuses on output and processing logic. Data is important but is secondary to application.

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