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R G PUBLICATION-COMMUNICATION SYSTEM-EXERCISE
- Write the full meaning of LASER.
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- What is optical communication?
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- 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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