CHAP03 - CHAPTER 3 Data Transmission Multiple-Choice...

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1 CHAPTER 3 Data Transmission Multiple-Choice Questions 1. c 3. a 5. c 7. b 9. d 11. d 13. b 15. b 17. c 19. b 21. a 23. a 25. c 27. d Exercises 29. a. 4.17 × 10 –2 s, 41.7 ms, 4.17 × 10 4 µ s, 4.17 × 10 7 ns, 4.17 × 10 10 ps b. 1.25 × 10 –7 s, 1.25 × 10 –4 ms, 0.125 µ s, 1.25 × 10 2 ns, 1.25 × 10 5 ps c. 7.14 × 10 –6 s, 7.14 × 10 –3 ms, 7.14 µ s, 7.14 × 10 3 ns, 7.14 × 10 6 ps d. 8.33 × 10 –14 s, 8.33 × 10 –11 ms, 8.33 × 10 –8 µ s, 8.33 × 10 –5 ns, 8.33 × 10 –2 ps 31. a. 90 degrees b. 0 degrees c. 90 degrees
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2 CHAPTER 3 DATA TRANSMISSION d. 180 degrees 33. a. 1/8 cycle b. 1/4 cycle c. 1/6 cycle d. 1 cycle 35. See Figure 3.1. 37. See Figure 3.2 39. See Figure 3.3 41. a. 1 Kbps b. 500 bps c. 500 Kbps d. 4 Tbps (4 × 10 12 bps) 43. a. 0.01 s Figure 3.1 Exercise 35 Figure 3.2 Exercise 37 10 40 Time Amplitude 100 20 5 2100 Frequency domain Frequency Amplitude Bandwidth = 2100 - 100 = 2000
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SECTION 3 b. 8 ms c. 800 s 45. 2 MHz 47. 2 MHz. See Figure 3.4.
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CHAP03 - CHAPTER 3 Data Transmission Multiple-Choice...

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