• People , hardware , software , and data are the four basis resources of
information system
• People resources includes end users , and IS specialists , hardware resources
consists of machine and media , software resources include both programs
and procedures , and data resources can include data , model and knowledge
Bases .
• Data resources are transformed by information processing activities into a
variety of information produces for end users .
• Information processing consists of input , processing , output storage , and
control activities .