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Discuss the role of inosphere in radio-w...

Discuss the role of inosphere in radio-wave communication

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BINA LIBRARY-COMMUNICATION SYSTEM -EXERCISE
  1. What is digital communication? Mention two advantages of digital commu...

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  2. what are the disadavanatages of analog communication .

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  3. Discuss the role of inosphere in radio-wave communication

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  4. what is pulse modulation? Explain.

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  5. Describe the basic postulates of Bohr's theory.

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  6. What are the two basic modes of communicatiuons?

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  7. What is demodulation? Why is satellite communication necessary for TV ...

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  8. What sign (+ve or-ve) is given to the focal length of a concave mirror...

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  9. mention the function of shunt capacitor ?

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  10. Draw block diagram of a generalized communication system.

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  11. Compare AM with FM wave.

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  12. Draw a labelled block diagram of a radio transmitter.

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  13. What are the different transmission media for communication?

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  14. Define the term noise used in electronic communication

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  15. Disucss briefly the three modes of propagation of electromagnetic wave...

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  16. Why is modulation necessary?

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  17. What is amplitude modulation? Explain with diagram.

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  18. What sign (+ve or-ve) is given to the focal length of a convex mirror?

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  19. For long distance radio broadeast, we use short wave only. Why?

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  20. Why satellites are used for long distance TV transmission.

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