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+ Information Processes and Technology Information Systems Information Systems and Databases + Information Systems Information Systems perform a set of information processes requiring participants, data/information and information technology. They perform the information processes of collecting, organising, analysing, storing/retrieving, processing, transmitting/receiving, displaying. + Characteristics of Information Systems Organisation of data into information: Data must be organised before it can be stored and analysed by the information system. Analysis of information to give knowledge: Access to information and the resulting knowledge is the purpose of an information system. + Types and purposes of information systems Transaction processing systems: Collect, store, modify and retrieve the daily transactions of an organisation. Decision support systems: Assist people to make decisions by providing information, models and analysis tools. Expert systems: Provide information and solve problems that would otherwise require a person experienced in that field. + Types and purposes of information systems Management information systems: Provides information for the organisations managers. An MIS presents basic facts about the performance of the organisation. Office automation systems: Provides people with effective ways to complete administrative tasks in an organisation. + Examples of database information systems Most information systems store data in a database. Information systems that use a database are called Database information systems. A database is accessed by a Database management systems (DBMS). A DBMS has data within it.