# What Does Digital Mean?

Digital refers to a data technology that uses discrete (discontinuous) values. It is defined as relating to or using signals or information represented by discrete values (digits) of a physical quantity, such as voltage or magnetic polarization to represent arithmetic numbers or approximations to numbers from a continuum or logical expressions and variables.
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 With the explosion in communications devices, including cell phones and wireless Internet routers, the airwaves are getting very crowded. Analog broadcast signals are much less efficient http://www.life123.com/technology/home-electronics...
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dig·it·al
[dij-i-tl]
1.
of or pertaining to a digit or finger.
2.
resembling a digit or finger.
3.
manipulated with a finger or the fingertips: a digital switch.
4.
displaying a readout in digital form: a digital speedometer.
5.
having digits or digitlike parts.
Source: Dictionary.com
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