Get The Right Information To The Right People At The Right Time
TPS: process all important transaction data
ERPS: integrate all information and combine the departments to each other
CBIS: supporting different organisational levels
► MIS: provides summaries and details
►OAS: they are cross all departments (does not care about a specific function) and it simplify the operations and make it more effective and efficient .They provide right information to right people at right time.
► Data Mining: help companies focus on the most important information in the data they have collected about the behavior of their customers and potential customers
►DDS: provide access to data and analysis tools and it helps to make decisions.
►Business Intelligence :is a broad category of applications and technologies for gathering, storing, analyzing, and providing access to data to help enterprise users make better business decisions.
►Expert system: is a computer program that simulates the judgement and behavior of a human or an organization that has expert knowledge and experience in a particular field.
►Executives IS: person or group that have know summarized information and make decisions.

Writing what I have learned in any chapter, will helps me to memorize it easily.
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First of all we have learned about the definition of data, information and knowledge
Data: word or group of words that are not organized so they have no meaning
Information: group of word which are organized and having value.
Knowledge: Info.+ experience
more and more knowledge then we'll able to make decision .
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IT Architecture VS IT Infrastructure
IT Architecture : is like a map or a blue print which is used to have general idea and does not care a bout every thing.
IT Infrastructure: Is the real basic and consist a bout basic facilities.
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Information system VS Information technology
Information technology : its components are hardware, software,network(IT components) and database(IT service)
Information system: IT+| procedures + people|
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other important definition :TPS: process all important transaction data
ERPS: integrate all information and combine the departments to each other
CBIS: supporting different organisational levels
► MIS: provides summaries and details
►OAS: they are cross all departments (does not care about a specific function) and it simplify the operations and make it more effective and efficient .They provide right information to right people at right time.
► Data Mining: help companies focus on the most important information in the data they have collected about the behavior of their customers and potential customers
►DDS: provide access to data and analysis tools and it helps to make decisions.
►Business Intelligence :is a broad category of applications and technologies for gathering, storing, analyzing, and providing access to data to help enterprise users make better business decisions.
►Expert system: is a computer program that simulates the judgement and behavior of a human or an organization that has expert knowledge and experience in a particular field.
►Executives IS: person or group that have know summarized information and make decisions.
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