Information Systems - infosys PDF

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Information Systems:

What is a system? A system consists of multiple parts that interact with each other to facilitate the purpose of the whole…

What do information system do? - Input data - Process data - Store data and information - Output and distribute information

Information Systems Support ALL organisational functions and levels Information Systems consist of interwoven components that deliver value. - People - Process - Technology - Data Broad information systems catergories EIS = Executive Information System DSS = Decision Support System TPS = Transaction Processing System SCM = Supply Chain Management System ERP = Enterprise Resource Planning System CRM = Customer Relationship Management System (Collaboration System) Key to identifying & understanding specific information systems • Functionality: refers to what an information system can do i.e. what it can support. • Processes involve several steps or activities, which need to be supported by systems. • Names of systems are generally determined by their functionality and the processes they support. E.g. a payment process is supported by a payment processing system....