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3 Information Systems
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Organisations can exploit information to do better at planning, monitoring and controlling their business activity. However, it is easy to drown in a sea of data. People can best understand and use information when it is organised and presented in the ways that are most useful to them. Powerful PCs, servers and networks provide new tools and systems to process information. This improves how people can run their businesses and plan their activities. Information systems consist of software, hardware and communication networks. They collect, organise and distribute information. Good decision making comes when this information is reliable and is presented usefully. Information systems can also provide a competitive advantage and promote efficiency. To understand how these information systems work you will also need to know how companies are organised into functional areas such as sales or purchasing. As an ICT professional, you need to know how to judge if information is reliable and accurate as well as the legal responsibilities an organisation has under the Data Protection Act and other laws.