Data – raw facts and figures. This is just letters and numbers that have no meaning.
Information – processed data/ data in context providing meaning and structure. The data has been converted into a format that provides meaning. (Data + Interpretation = Information)
Knowledge – processed information that can be used to make informed decision. The way that we understand and use the information that we have.
Data - 1, 4
Information - The score in the football game was 1-4
Knowledge - The home team lost
Data is usually coded when collecting data e.g. Greta Britain becomes GB. Data is encoded because:
Ø Coded data takes less effort to enter
Ø More data can appear on the same screen
Ø Easier to check that the code is correct
Takes up less momory people may be confused over code
Faster to enter data Less accurate
Fewer errors Possible to run out of codes
Rely on personal judgement