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Differentiate between an analog and a digital electromagnetic signal.
What are three important characteristics of a periodic signal?
How many radians are there in a complete circle of 360 degrees?
What is the relationship between the wavelength and frequency of a sine wave?
What is the relationship between a signal’s spectrum and its bandwidth?
How can telephone networks use communication facilities that limit the transmission
of sound to a narrow bandwidth?
7. What is attenuation?
8. How does delay distortion place a limitation on the data rate for digital data?
9. What is white noise?
10. Define channel capacity.
11. What key factors affect channel capacity?