ITM 305 Chapter Notes - Chapter 1: Transaction Processing System, Printed Circuit Board, Fire Alarm System

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Document Summary

Information systems are systems that process data into information. We can view an information system from its various perspectives; Information systems are like products therefore they must satisfy their consumers and be developed by a methodology. To develop a modern information system, we must start with a clear understanding that an information system is primarily a commercial product. All products such as houses, cars, computers might be built to satisfy demands or wishes. Developing information systems and software applications involve highly abstract concepts that have very concrete outcomes and sometimes very serious consequences. Arithmetic as the application of logic (processing) Information automation has changed the reach and role of information systems within the human civilization. Means that nonhuman device can apply information logic to data through a set of stored instructions or a program . Which means information processing can become more capital-intensive and less labour-intensive.