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We distinguish clearly between information systems and information technology, a distinction that seems lacking too often as the terms are often used interchangeably. We define these terms as follows:
- An information technology transmits, processes, or stores information.
- An information system is an integrated and cooperating set of software directed information technologies supporting individual, group, organizational, or societal goals.
In other words，IS applies IT to accomplish the assimilation，processing，storage，and dissemination of information. Thus，PDA，s cellular phones，music players，and digital cameras as information systems. These devices use multiple information technologies to create personal information systems. Similarly other information technologies，such as database，networks，and programming languages，are used to created organizational systems.
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