An analog signal can be transmitted only a limited distance before attenuation,noise,and other impairments endanger the integrity of the data.
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Q14: A(n)_ signal is a continuously varying electromagnetic
Q15: The advantages of digital signaling are that
Q16: A guided transmission medium is _ if
Q17: A digital signal is one in which
Q18: Only digital signals can be used to
Q20: A key parameter that characterizes any electromagnetic
Q21: The _ of a signal is the
Q22: In a _ guided configuration more than
Q23: The _ bandwidth is the band where
Q24: A technique known as _ is used
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