1.1 Information Concepts


Data is derived from the Latin word "datum", which is raw fact taking the form of numbers, symbols, and pictures
before being processed into a meaningful and beneficial form.
Information is data that have been processed and have been given a meaning within a context.
Information is obtained by processing data. Data processing is any operation or set of operations performed
upon data to convert it into useful form.
Information to be useful has several characteristics.
Useful information should be accurate, timely, relevant, complete, current, economic and well presented.