Tuesday, April 22, 2014
Sunday, April 20, 2014
information system
an integrated set of components for collecting, storing, and processing data and for delivering information, knowledge, and digital products. Business firms and other organizations rely on information systems to carry out and manage their operations, interact with their customers and suppliers, and compete in the marketplace. For instance, corporations use information systems to reach their potential customers with targeted messages over the Web, to process financial accounts, and to manage their human resources. Governments deploy information systems to provide services cost-effectively to citizens. Digital goods, such as electronic books and software, and online services, such as auctions and social networking, are delivered with information systems. Individuals rely on information systems, generally Internet-based, for conducting much of their personal lives: for socializing, study, shopping, banking, and entertainment.
As major new technologies for recording and processing information have been invented over the millennia, new capabilities have appeared. The invention of the printing press by Johannes Gutenberg in the mid-15th century and the invention of a mechanical calculator by Blasé Pascal in the 17th century are but two examples. These inventions led to a profound revolution in the ability to record, process, and disseminate information and knowledge
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Sunday, February 23, 2014
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