J+Acosta

[|joel acosta]

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The word 'digital' is a derivation of 'digit' and refers to systems which process numbers. In the case of digital recording or transmission a numerical description of the original signal is made, and it is this description, rather than a direct analogue, which is stored. Digital describes any system based on discontinuous data or events. Computers are digital machines because at their most basic level they can distinguish between just two values, 0 and 1, or off and on. There is no simple way to represent all the values in between, such as 0.25. All data that a computer processes must be encoded digitally, as a series of zeroes and ones. Prior to digital technology, [|electronic transmission] was limited to analog technology, which conveys data as electronic signals of varying frequency or amplitude that are added to carrier waves of a given frequency. Broadcast and [|phone transmission] has conventionally used analog technology.
 * DIGITAL:** a description of [|data]which is stored or transmitted as a sequence discrete symbols from finite set, most commonly this means [|binary]data represented using electronic or electromagnetic signals. The opposite of digital is [|analogue.]=====

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