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Data can be ________
______ data are continuous and take continuous values
______ data have discrete states and take discrete values
Signals can be ________
____ signals can have an infinite number of values in a range
______ signals can have only a limited number of values
Frequency and period are ______
_______is the rate of change with respect to time
______ describes the position of the waveform relative to time 0
A sine wave in the ______ domain can be represented by one single spike in the _____ domain
A _________ sine wave is not useful in data communications; we need to send a _______ signal
The _____ of a composite signal is the difference between the highest and the lowest frequencies contained in that signal
A(n)_________ signal is a composite analog signal with an infinite bandwidth
Baseband transmission of a digital signal is possible only if we have a ____ channel
If the available channel is a ____ channel, we cannot send a digital signal directly to the channel
For a ______ channel, the Nyquist bit rate formula defines the theoretical maximum bit rate
For a ______ channel, we need to use the Shannon capacity to find the maximum bit rate
________ can impair a signal
The _________ product defines the number of bits that can fill the link
The portion of physical layer that interfaces with the media access control sublayer is called
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