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Analog communication -transmitter and receiver

Quiz by Dr. SUDHA M

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10 questions
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  • Q1
    In analog communication, what device is responsible for converting the input signal into a form suitable for transmission through a communication channel?
    Amplifier
    Receiver
    Modulator
    Transmitter
    30s
  • Q2
    Which device in analog communication is responsible for restoring the original signal at the receiving end?
    Transmitter
    Modulator
    Receiver
    Amplifier
    30s
  • Q3
    What is the main function of a modulator in analog communication?
    To amplify the signal
    To demodulate the signal
    To filter out noise
    To impress the information signal onto a carrier signal
    30s
  • Q4
    What is the purpose of a demodulator in analog communication?
    To modulate the signal
    To amplify the signal
    To filter out noise
    To extract the original signal from the modulated carrier signal
    30s
  • Q5
    What is the function of a mixer in analog communication systems?
    To amplify the signal
    To convert digital signals to analog signals
    To combine two different frequency signals together
    To filter out noise
    30s
  • Q6
    What is the role of an antenna in analog communication systems?
    To transmit and receive electromagnetic waves
    To amplify the signal
    To filter out noise
    To modulate the signal
    30s
  • Q7
    What is the fundamental difference between analog and digital communication?
    Analog communication is faster than digital communication.
    Analog communication requires less bandwidth compared to digital communication.
    Analog communication uses continuous signals while digital communication uses discrete signals.
    Digital communication is more secure than analog communication.
    30s
  • Q8
    What is the purpose of a power amplifier in an analog communication system?
    To convert digital signals to analog signals
    To filter out noise from the signal
    To increase the power level of the signal for transmission
    To demodulate the modulated signal
    30s
  • Q9
    What is the primary function of a frequency modulator in analog communication?
    To vary the frequency of a carrier signal in accordance with the amplitude of the modulating signal
    To convert digital signals to analog signals
    To amplify the signal
    To filter out noise
    30s
  • Q10
    What is the main purpose of a bandpass filter in analog communication systems?
    To amplify the signal
    To pass only signals within a certain frequency range while attenuating frequencies outside that range
    To demodulate the signal
    To convert digital signals to analog signals
    30s

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