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Give one difference between point to poi...

Give one difference between point to point mode of communication and broadcast mode of communication. Give one example of each mode of communication.

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PUNJAB BOARD PREVIOUS YEAR PAPERS-Principles of communication-Exercise
  1. What are the limitations of amplitude modulation ?

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  2. Draw a labelled block diagram of a basic communication system.

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  3. Give one difference between point to point mode of communication and b...

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  4. Why is ground wave propagation not suitable for high frequency ?

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  5. What is the need for modulation ?

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  6. Draw a labelled block diagram of a basic communication system.

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  7. What is the modulation ? What is need for modulation?

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  8. Explain why sky wave propagation is not possible for high frequency ra...

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  9. What is the need for modulation ?

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  10. Why sky waves are not used in transmission of TV signals?

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  11. Explain sky wave propagation of radiowaves.

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  12. Explain the term ground waves propagation of radio-waves.

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  13. Explain space wave propagation of radiowaves.

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  14. Why sky waves are not used in transmission of TV signals?

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  15. What is difference between sky wave propagation and space wave propaga...

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  16. Why are short waves used in long distance broadcasts ?

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  17. Explain why sky wave propagation is not possible for high frequency ra...

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  18. What is space wave propagation ? Give one example of communication sys...

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  19. Write any two factors, which justify the need of modulation for the tr...

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  20. Explain ground wave propagation of radiowaves.

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