Since each piece of digital information is simply a one or zero, it is possible to perfectly reproduce digital information over and over again. So a copy of the information carried by a digital wave can be identical to the original wave.
It is far more difficult to make a perfect copy of an analog wave because
A.
most analog waves have wavelengths that are too long to reproduce in copies.
B.
each individual piece of information is either a zero, a one, or a two.
C.
analog waves travel at speeds too great for modern technologies to use.
D.
the exact value of any one piece of information is not clearly defined.
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The correct answer is:
D. the exact value of any one piece of information is not clearly defined.
This is because analog waves represent a continuous range of values, which means that there can be slight variations in the representation of those values when trying to make copies, leading to imperfections in reproduction. In contrast, digital information is discrete and can be perfectly replicated.
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