What is the difference between analog and digital data representation?
analog data: Data represented in a continuous form, as contrasted with digital data having discrete values. Data that is recorded in a form that is similar to its original structure. Contrast with digital data. http://www.answers.com/analog%20data Analog signal: (electronics) A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound, light, heat, position, or pressure. A signal in which some feature increases and decreases in the same way as the thing being transmitted. In am radio, for example, the strength of the radio wave goes up and down in analogy with the loudness of the original sound. (Contrast digital signal.)Radio, TV, some telephones, and tape recorders all use analog signals now, but the trend for the future is to send signals in digital form. An analog or analogue signal is any continuous signal for which the time varying feature (variable) of the signal
