Characteristics Of Information Systems

Characteristics of Information Systems • Organise Data into information • Analysis of Information to give knowledge Make a list of as many information systems that you can think of. Think-Pair Share Types and Purposes of Information Systems TPS: Collect, store, modify and retrieve the daily transactions of an organisation. Organisations rely heavily on these systems. Backup Sytems are important. TPS can be either batch, or Real time processing. Decision Support Systems assist people to make decisions by providing information, models and analysis tools. A DSS can be used on a daily basis or when an organisation has to react to the unexpected or make changes. Eg: Analysis of stockmarket, buying and selling shares. Modelling of variables effecting decisions. Uses what if analogies. Expert Systems provide information and solve problems that would otherwise require a

person experienced in that field Diagnosing, monitoring, selecting, designing, predicting and training. Captures a set of knowledge that is often difficult to transfer by a series of questions. • The expert parent: Do you want to go out tonight • Have you cleaned your room? • Have you done your homework? • Are sensible people going? • Have you got a way to get home? • Are the persons parents going? • Combining expertise from multiple experts The friend expert: • Do you look good? • Can you convince your parents that you’re allowed to go? Diagnosis of disease Problems in production Management Information Systems Provides basic information for an organisations managers. An MIS presents basic facts about the performance of an organisation. Some common examples of MIS output are reports on sales, stock, inventory, payroll

Office Automation Systems provide people with effective ways to complete administrative tasks in an organisation. Eg. Denbigh. Automatic letter writing, email, dtp of