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Data communication Qs
Question 1 (5 points A signal has a bandwidth frequency of 150 Hz and the highest frequency is 170 10 Hz. What is the lowest frequency of the signal? ust put the whole number. No R decimal values. No units next to the number) Question 2 (10 points) ()Aperiodic signal completes one cycle in 0.04 second. What is the frequency? (II) A sine wave completes 7200 cycles in one hour. What are its frequency and period? O I: 50 Hz, ll: 10 Hz, 0.1 second OI: 25 Hz, II: 2 Hz, 0.5 seconds O I: 500 Hz. I: 10 Hz. 0.1 seconds OI: 250 Hz, ll: 20 Hz, 0.05 seconds 3 (10 points) What is the data transfer rate in bps for a signal that is encoded using amplitude modulation with 16 different phases and a baud rate of 4000? O 64,000 bps O 4,016 bps 20,000 bps 16,000 bps 4 (10 points) Ten voice signals are to be transmitted over a single high-speed telephone line. What is the bandwidth required (in bps) if the standard analog to digital sampling rate is used and each sample is converted into an 8 bit value? Assume the maximum voice frequency is 3500 Hz Gust type your answer with no units and no decimal values)
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