
Analog communication -transmitter and receiver
Quiz by Dr. SUDHA M
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10 questions
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- Q1In analog communication, what device is responsible for converting the input signal into a form suitable for transmission through a communication channel?AmplifierReceiverModulatorTransmitter30s
- Q2Which device in analog communication is responsible for restoring the original signal at the receiving end?TransmitterModulatorReceiverAmplifier30s
- Q3What is the main function of a modulator in analog communication?To amplify the signalTo demodulate the signalTo filter out noiseTo impress the information signal onto a carrier signal30s
- Q4What is the purpose of a demodulator in analog communication?To modulate the signalTo amplify the signalTo filter out noiseTo extract the original signal from the modulated carrier signal30s
- Q5What is the function of a mixer in analog communication systems?To amplify the signalTo convert digital signals to analog signalsTo combine two different frequency signals togetherTo filter out noise30s
- Q6What is the role of an antenna in analog communication systems?To transmit and receive electromagnetic wavesTo amplify the signalTo filter out noiseTo modulate the signal30s
- Q7What 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
- Q8What is the purpose of a power amplifier in an analog communication system?To convert digital signals to analog signalsTo filter out noise from the signalTo increase the power level of the signal for transmissionTo demodulate the modulated signal30s
- Q9What 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 signalTo convert digital signals to analog signalsTo amplify the signalTo filter out noise30s
- Q10What is the main purpose of a bandpass filter in analog communication systems?To amplify the signalTo pass only signals within a certain frequency range while attenuating frequencies outside that rangeTo demodulate the signalTo convert digital signals to analog signals30s