Knowledge can be considered as a collection of information, or as an activity, or as a potential. If we think of it as a collection of information, then the analogy of a computer's memory is helpful, for we can say that knowledge about something is like the storage of meaningful and true strings of symbols in a computer.
p. 9; cited in Daniel J. Power (2004) Decision Support Systems: Frequently Asked Questions. p. 23 - The Design of Inquiring Systems (1971)