Zusammenfassung der Ressource
Chapter 8: ICT data systems in business
- Primary sources of data
- Collected for a specific purpose, directly collected,
E,g; in a survey
- Secondary sources of data
- Data previously collected and has
already been published, E,g; A newspaper article or book
- Input devices
- A means of putting data into a computer
- E,g; a keyboard, mice and digital camera
- Output devices
- A means of getting data
out of a computer
- E,g; Printers and projectors
- Storage devices
- A means of keeping data until it is needed
- Primary research
- Obtaining first hand data that is
needed by a business
- Secondary research
- Information obtained from
sourcing that already exist, which
has been collected for a different
purpose