Question: what are the characteristics of an information system?
Answer: Availability/accessibility. Information should be easy to obtain or access. ... 
Accuracy. Information needs to be accurate enough for the use to which it is going to be put. ... 
Reliability or objectivity. ... 
Relevance/appropriateness. ... 
Completeness. ... 
Level of detail/conciseness. ... 
Presentation. ... 
Timing.