Q1. What is the primary purpose of modulation in communication systems?
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Q2. Which modulation technique is used in AM radio broadcasting?
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Q3. What does the term "bit rate" refer to in communication systems?
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Q4. What is the main disadvantage of Frequency Modulation (FM) compared to Amplitude Modulation (AM)?
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Q5. Which of the following is a key characteristic of digital communication systems?
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Q6. In a communication system, what does the term "noise" refer to?
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Q7. Which of the following is a characteristic of Phase Modulation (PM)?
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Q8. What is the primary advantage of using Digital Signal Processing (DSP) in communication systems?
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Q9. Which modulation technique is used in digital communication systems for transmitting data?
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Q10. What is the purpose of a Band-Pass Filter in communication systems?
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Q11. Which of the following describes the function of a demodulator in communication systems?
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Q12. Which of the following is a common use of Frequency Modulation (FM) in communication systems?
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Q13. In a digital communication system, what does the term "bit error rate" (BER) refer to?
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Q14. Which of the following is a typical characteristic of an ideal communication channel?
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Q15. What is the difference between Time Division Multiplexing (TDM) and Frequency Division Multiplexing (FDM)?
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Q16. What is the significance of the Nyquist theorem in communication systems?
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Q17. Which of the following transmission media has the highest data rate in communication systems?
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Q18. What is the primary advantage of using digital communication over analog communication?
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Q19. Which of the following techniques is used for error detection and correction in digital communication systems?
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Q20. What does "QAM" stand for in communication systems?
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Q21. Which of the following is a key disadvantage of using Analog communication?
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