global info system.ppt
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1、global info systemGlobal Information SystemGlobal Information System An organized collection of computer hardware, communication equipment, software, data, and personnel designed to capture, store, update, manipulate, analyze, and immediately display information about worldwide business activities.D
2、ata versus Information Datathe raw factsrecord measures of certain phenomena which are necessary to provide Informationfacts in a form suitable for managers to base decisions onCharacteristics of Valuable Information Relevance Quality Timeliness CompletenessA set of computer programs that store raw
3、data and transform it into accessible information. A decision support system has two components:DatabaseSoftwareDecision Support SystemsDatabase A database is a collection of raw data arranged logically and organized in a form that can be stored and processed by a computerData Warehousing Informatio
4、n management term The process that allows information from operational systems to be stored and organized into separate systems for simple accessSoftware Various types of programs that tell computers, printers, and other hardware what to do Software allows managers to combine and restructure databas
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