- digital electronics device ( any device that stores and processes bits electronically )
- computer ( a digital electronics device that utilizes hardware to accept the input of data, and software ,or a computer program, to process and store the data and produce some useful output )
- computer system ( multiple computers working together over a network toward a common goal )
- information system ( a computer system that makes use of hardware, software, databases, telecommunications, people, and procedures to manage and distribute digital information )
- information technology ( issues related to the components of an information system )