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