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The simplest sort of signal is a ________ signal, in which the same signal pattern repeats over time.
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Delay distortion occurs because the velocity of propagation of a signal through a guided medium varies with frequency.
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An analog signal can be transmitted only a limited distance before attenuation, noise, and other impairments endanger the integrityof the data.
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A familiar example of analog data is audio, which, in the form of acoustic sound waves, can be perceived directly by human beings.
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________ is one of the most fundamental requirements in the transmission of a stream of bits from one device to another.
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