Understanding information systems [electronic resource] : what they do and why we need them / Lee Ratzan.

Describing information
Representing information
Organizing information
Retrieving information
Networking information
Securing information
Concealing information
Measuring information
Counting information
Numbering information
Managing information
The computer as an information system
The Internet as an information system
Music as an information system
Interpreting information : numbers as meanings
Counter-intuitive information.