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1) Information and communication technology (ICT) includes hardware, software, data, people, and procedures. Hardware includes components like the mainboard, case, and peripherals. Software includes programming languages, programs, and system software. 2) A network allows for data communication between a source, sink, and medium by transmitting messages. General controls ensure overall system security, reliability, and integrity by detecting and preventing unlawful events. 3) An information system combines all ICT components to collect, process, store, and distribute information to support decision making, coordination, and control within an organization.Read less