An information system (IS) is defined as the organized combination of people, hardware, software, communication networks, and data resources that collects, stores, processes, transforms, displays, transmits disseminates and disposes information in accordance with defined procedures.
- Disposition: the act or means of getting rid of something.
- Dissemination: the distribution of information broadly.
- Processing: the manipulation of data in accordance with established instructions, manually or by computer. Processing by computer is the manipulation of data in accordance with its instructions, or programming.
- Transmission: the process of sending information from one point to another.
An IS may be automated (e.g., a computerized information system) or manual (e.g., a library’s card catalog).
Any IS is made of 6 components: hardware, software, data/database, network, policies and procedures and people.
An Information System (IS) consists of six components, namely:
- Humans, which consists of IT specialists (such as a Database Administrator or Network Engineer) and end-users (such as doctors, nurses, etc…).
- Hardware, which consists of all the physical aspects of an information system, ranging from peripherals to computer parts and servers.
- Software, which consists of System Software, Application Software and Utility Software.
- Networks, which consists of communication media and network support.
- Data, which consists of all the knowledge and databases in the IS.
- Policies and procedures that governs the utilization, use and management of the information system.