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analog:
continuous display
of the information; it is an analog
to the real information.
The process of recording, storing or displaying
analog information
is in general mechanical.
digital:
discrete display
of the information: the information is represented by a
series
of numbers; The value of the numbers can be very close together but
there is no intermediate values.
It is not continuous.
The process of recording, storing or displaying digital information
involves numbers.