PCM: Pulse code modulation. It is a method used to digitally represent sampled analog signals. It is the standard form of digital audio in computers, digital telephony and compact discs. The amplitude of this signal is sampled regularly at uniform intervals.
PAM: Pulse amplitude modulation. It is a form of signal modulation where the message information is encoded in the amplitude of a series of signal pulses.
The language must be appropriate to the audience and should use the terms that are most current and ordinary. Using fancy language is not ordinary, and any kind of unfamiliarity can be seen as suspicious.
The answer is B) She is trying to care for him but is getting frustrated and losing patience.
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The correct answer is D. Hope this helps! God bless you!
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