7.2 Components of an information system

An information system is essentially made up of five components hardware, software, database, network and people. These five components integrate to perform input, process, output, feedback and control.

1. Hardware consists of input/output device, processor, operating system and media devices.
2. Software consists of various programs and procedures.
3. Database consists of data organized in the required structure.
4. Network consists of hubs, communication media and network devices.
5. People consist of device operators, network administrators and system specialist.

Information processing consists of input; data process, data storage, output and control.