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Electrical measurements MCQ Quiz Hub

Digital Communications MCQs set-16

Choose a topic to test your knowledge and improve your Electrical measurements skills

1. Channel noise is




2. Which noise component plays a role in decision making?




3. Decision making needs




4. In matched filter _______ is performed.




5. Which needs more signal power?




6. Which has higher transmission rate?




7. Symbol error probability can also be determined using upper bound.




8. Which signal sets are called as equivalent signal sets?




9. For neyman pearson decision criterion, which are important?




10. What are the parameters calculated for an estimator?




11. Top layer is




12. Entities also does




13. In channel, delay is




14. Channel can provide connectivity to




15. Embedding is a form of




16. Transmission media is




17. In transmission media, the symbol type is generally




18. Noise is _____ in nature.




19. The radiation loss increases as




20. Attenuation is a function of




21. The time required to transmit frame depends on




22. Window given the number of




23. Routing is performed only centrally.




24. Which is connection oriented and which is connection-less?




25. Which uses UDP?




26. Which uses TCP?




27. Which tells about low level transmission and framing?




28. Which tells about signalling?




29. Which method is much better and efficient?




30. Analog source coding method are




31. The source output in PCM and DPCM is quasi stationary.




32. Which reduces the dynamic range of quantization noise in PCM?




33. The type of distortion which occurs in delta modulation is




34. Binomial distribution deals with




35. In poisson distribution mean is ______ variance.




36. Stochastic process are




37. Stochastic processes are




38. Gaussian process is a




39. ISDN integrates speech and data on




40. ISDN is a




41. Circuit switched connection is provided for




42. Packet switched connection is provided for




43. Channel bonding provides




44. U-interface is the two wire interface between




45. T interface is the serial interface between




46. S-interface is a _______ bus.




47. The services provided by ISDN




48. Attributes of ISDN have




49. In layering, n layers provide service to




50. Which can be used as an intermediate device in between transmitter entity and receiver entity?