Amplitude shift keying is restricted to only two possible amplitude levels: low and high.
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Q11: With NRZ-L,the receiver has to check whether
Q12: Like signals,data can be analog or digital.
Q13: The NRZ-L encoding scheme is simple to
Q14: The terms "data" and "signal" mean the
Q15: Phase changes are not affected by amplitude
Q17: By convention,the minimum and maximum values of
Q18: Amplitude shift keying is susceptible to sudden
Q19: An inherent problem with the NRZ-L and
Q20: One of the primary shortcomings of analog
Q21: Cycles per second,or frequency,is represented by _.
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