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What is an Information System? An information system is an organized collection of people, information, business processes, and information technology.

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Presentation on theme: "What is an Information System? An information system is an organized collection of people, information, business processes, and information technology."— Presentation transcript:

1 What is an Information System? An information system is an organized collection of people, information, business processes, and information technology designed to transform inputs into outputs in order to achieve a goal.

2 IPO (Input, Processes, Output) Input – customer name, address, income etc. Process – create customer record Output – Income level based mailing list/report

3 Input Data – raw facts Information- data that has been processed to make it useful Knowledge – created when information is combined with experience and judgment Decisions – Do we expand our business? Do we add staff? Reduce staff?

4 Processes People Business Processes IT (Information technology)

5 Output Data Information Knowledge Decisions Business Value – positive return on investment of resources

6 Business Value of IS TPS – Transaction Processing Systems MIS – Management Information Systems DSS – Decision Support Systems ERP – Enterprise Resource Planning (SAP) CRM – Customer Relationship Management

7 IT in a company IT supports the business – IT as a ‘product’ is the exception A) Microsoft B) Wells Fargo

8 IT in a Company Users of IT services - Everyone - Money makers (Revenue generators) IT Staff – Support (HELP Desk) – Analysts – Programmers – Testers – Project Managers – ……………. – Users

9 Data as an Asset What is the most important asset of a company?

10 3 categories of IT (Information Technology) Hardware – Anything you can touch Software – Tells hardware what to do – System software – Application software COTS Custom designed – Utility software Networks - permits sharing of technology

11 Data verses Information Delimited File Delimiter Excel – Math – Cannot show (well) how data is related to each other

12 Excel Demo Delimited file import Format Formulae Data -> Information


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