What is modulation and demodulation?...

What is modulation and demodulation?

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R G PUBLICATION-COMMUNICATION SYSTEM-EXERCISE

What is an antenna?
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Draw block diagram of a generalized communication system.
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What is a transducer?
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Draw a diagram to show the modulation of a carrierwave.
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Discuss the different types of pulse modulation.
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Draw the block diagram of working of a transmitter and a receiver.
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What is multiplexing? Explain.
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State four characteristics of Laser.
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Draw the block diagram of FAX.
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What is the advantage of optical fibre communication ?
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How antena works?
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Differentiate between analog signal and digital signal.
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Write a short note on modulation? What are AM, FM and PM?
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What are the major milestones in the history of communication?
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What are the ground waves, skywave and spacewave.Describe.
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A carrier wave of peak voltage 8 v is used to transmit a message signa...
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What is modulation and demodulation?
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Explain the term ground wave
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What is digital communication? Mention two advantages of digital commu...
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What is pulse modulation? Explain.
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