MCQs in Wire and Wireless Communications System Part I - Answers

Below are the answers key for the Multiple Choice Questions in Wire and Wireless Communications System - MCQs Part 1.

1. 10 to 1000 µW

2. 1000 and 3000 Hz

3. 250 and 500 Hz

4. volume unit meter

5. 0 dBm = 0 V.U.

6. 300 to 3400 Hz

7. AWG # 19

8. 1300 Ω

9. 0.51 dB/1000 ft.

10. 4 kHz

11. Reflectometer

12. An undesired self-sustained oscillation in a system, generally caused by excessive positive feedback.

13. IF stage

14. sensitivity

15. Two-way simultaneous transmission

16. A line or circuit interconnecting several situations.

17. Attenuator

18. Roaming

19. MIN

20. 25

21. Electrolytic recording

22. Skewing

23. A device that converts electric signals into audio signals, enabling data to be transmitted over the public telephone network via a conventional telephone handset

24. Crosstalk

25. Capture effect

26. Hybrid circuit

27. Decision

28. Jaynes maximum entropy principle

29. Estimation

30. Discrete channel

31. 1.88 – 1.90 GHz

32. 12

33. 120

34. DC, but may have either polarity positive DC

35. A switching system that lets a large number of telephone or data processing subscribers use a lesser number of transmission lines or a narrow bandwidth

36.  This is normal.

37. Operated in the nonlinear region

38. A permanent circuit for a private use within a communication network

39. Only the stronger will appear in the AF output

40. 1983

41. 1000

42. 6000 Hz

43. 833

44. GFSK

45. 10 mW

46. 3

47. Pilot carrier signals

48. 547 Ω

49. 424 Ω

50. Zero

Online Questions and Answers Series

Following is the list of practice exam test questions in this brand new series:

Wire and Wireless Communications MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

PART 3: MCQs from Number 101 – 150                 Answer key: PART III

PART 4: MCQs from Number 151 – 200                 Answer key: PART IV

PART 5: MCQs from Number 201 – 250                 Answer key: PART V

PART 6: MCQs from Number 251 – 300                 Answer key: PART VI

PART 7: MCQs from Number 301 – 350                 Answer key: PART VII

PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII

PART 9: MCQs from Number 401 – 450                 Answer key: PART IX

PART 10: MCQs from Number 451 – 500                Answer key: PART X

SEE: More Questions and Answers in Wire and Wireless Communications

Complete List of MCQs in Communications Engineering per topic

Series of Multiple Choice Questions in Electronics Systems and Technologies

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