Wednesday, March 23, 2011

Data

The term data refers to qualitative or quantitative attributes of a variable or set of variables. Data (plural of "datum") are typically the results of measurements and can be the basis of graphsimages, or observations of a set of variables. Data are often viewed as the lowest level of abstraction from which information and then knowledge are derived. Raw data, i.e. unprocessed data, refers to a collection of numberscharacters, images or other outputs from devices that collect information to convert physical quantities into symbols.
Source: http://en.wikipedia.org/wiki/Data

No comments:

Post a Comment