Digital Communication MCQs Quiz Multiple Choice Questions & Answers

Test Your Skills in Digital Communication Quiz Online

Dive into the world of Digital Communication with our comprehensive collection of multiple-choice questions and answers. Whether you're a student studying communication systems, an engineer designing digital transmission systems, or simply interested in the transmission of digital signals, our meticulously curated selection covers a wide range of topics. Explore fundamental concepts such as digital modulation techniques, error detection and correction, multiplexing, and practical applications in telecommunications and networking. With our user-friendly interface and detailed explanations, mastering the complexities of digital communication has never been more engaging and accessible. Start your journey towards understanding the fundamentals of modern communication technology today!

Digital Communication Questions with Answers

1. Two binary values are represented by two different frequencies in :

2. Codec uses

3. ASK is a result of combination of Shift keying and

4. ASK is rarely used in modems because

5. The qualifier differential to PSK means that

6. In PCM

7. In modems

8. Modulation is used to

9. One factor in the accuracy of a reconstructed PCM signal is the

10. The modulation techniques used to convert analog signal into digital signal are

11. In PCM, the parameter varied in accordance with the amplitude of the modulating signal is

12. The error probability of a PCM is

13. In Delta Modulation, the bit rate is

14. DPCM is a technique

15. Granular noise occurs when

16. The digital modulation technique in which the step size is varied according to the variation in the slope of the input is called

17. In Adaptive Delta Modulation, the slope error reduces and

18. Matched filters may be used

19. Information rate is defined as

20. Entropy is

21. Timing jitter is

22. A linear code

23. Parity bit coding may not be used for

24. Parity check bit coding is used for

25. Run Length Encoding is used for

26. The number of bits of data transmitted per second is called

27. Pulse shaping is done

28. Nyquist criterion helps in

29. The Nyquist theorem is

30. ASK modulated signal has the bandwidth

31. The probability of error of DPSK is …………. than that of BPSK

32. BPSK system modulates at the rate of

33. The technique that may be used to reduce the side band power is

34. The process of converting the analog sample into discrete form is called

35. The sequence of operations in which PCM is done is

36. In Delta modulation,

37. In digital transmission, the modulation technique that requires minimum bandwidth is

38. DPCM suffers from

39. The digital modulation scheme in which the step size is not fixed is

40. The maximum synchronizing capability in coding techniques is present in


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