Wave characteristics, such as frequency and amplitude, are inherently discrete.
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Q11: To limit skew errors, high-speed parallel communication
Q12: Circuit switching is inefficient for most data
Q13: The FM method holds frequency constant while
Q14: A parallel channel's transmits individual bits over
Q15: Square waves are the preferred method of
Q17: Bits are encoded in a wave by
Q18: Communication protocols are less important for computer-to-computer
Q19: RF transmission is more complex than wired
Q20: Data messages vary in format and content
Q21: Because block size is always the same
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