Previous Year Very Short Questions of CS-1 (DIPLOMA Electronics in Microprocessors 4th)

Communication System – I

Previous year question paper with solutions for Communication System – I

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  1. The electromagnetic signals are also called……….. .
  2. Another name for varactor diode is …………..
  3. Armstrong is ………… FM generation method.
  4. The FM receiver operates on the principle of ……….. .
  5. The frequency range for the MW band is from …… to ……..
  6. The artificial boosting of higher modulating frequencies is called as ………….
  7. Light has wavelength in the range of …… to ……..
  8. Fading means the variation and fluctuation in the ……… at the receiver.
  9. The inner most layer in Optical fiber cable is ………..
  10. ……… orbit is used to put the remote sensing satellites.
  11. The standard IF value for AM receiver is ……… .
  12. A unipole is also known as ………
  13. UHF stands for ……..
  14. AGC stands for ………….
  15. The unit of illuminance is the ……….. .
  16. A________ satellite acts merely as a reflector of signal.
  17. IF in AM receivers is_________.
  18. A joint between two fibers is called_________.
  19. Armstrong method uses _______ to generate FM signal.
  20. Crystal oscillator is used for increasing the ________.