An inherent problem with the NRZ-L and NRZI digital encoding schemes is that long sequences of 0s in the data produce a signal that never changes.
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Q14: The terms "data" and "signal" mean the
Q15: Phase changes are not affected by amplitude
Q16: Amplitude shift keying is restricted to only
Q17: By convention,the minimum and maximum values of
Q18: Amplitude shift keying is susceptible to sudden
Q20: One of the primary shortcomings of analog
Q21: Cycles per second,or frequency,is represented by _.
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Q22: The amplitude of a signal can be
Q23: The _ of a signal is the
Q24: One of the most common forms of
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