Q. Which of the following is not an example of simplex communication?

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Q. What type of communication is used in a commercial walkie talkie?

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Q. What type of communication is used between ATC and aircraft?

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Q. In what type of communication is time division multiplexing possible?

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Q. The process of making the signal more compatible with the medium is called as?

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Q. The information signal is otherwise referred to as ___________

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Q. Voice signals cannot be directly transmitted by radio.

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Q. In frequency modulation, carrier frequency is always greater than baseband frequency.

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Q. Which one of the following is not a type of modulation?

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Q. In amplitude modulation, which of the following varies?

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Q. You have 5 information signals and only one transmitter. What technique will help in transmitting all the 5 signals?

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Q. What type of multiplexing is used in mobile phones?

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Q. Which one of the following is not true with respect to amplitude modulation?

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Q. What type of multiplexing is used in serial buses?

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Q. Cps is the unit of what?

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Q. The range of electromagnetic signals encompassing all frequencies is referred to as?

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Q. The distance that the wave travels in one cycle is called as?

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Q. What is the wavelength of a signal with a frequency of 150 Mhz?

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Q. What is the frequency of the EM wave with a wavelength of 12 cm?

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Q. A signal travels a distance of 75 ft in the time it takes to complete 1 cycle. What is its frequency?
(1m = 3.28 ft)

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