Below are the answers key for the Multiple Choice Questions (Quiz) in Linear-Digital ICs from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.
Answer Key:
1. C. Passive filter
2. D. All of the above
3. D. All of the above
4. A. 4
5. A. comparator
6. A. comparator
7. A. comparator
8. C. Changing a digital signal to an analog signal
9. C. 0 V or Vref
10. A. The analog output voltage proportional to the digital input voltage
11. B. Vref /256
12. C. Both positive and negative
13. A. Connecting the analog voltage to the integrator for a fixed time
14. C. At the end of the charging of the capacitor
15. D. All of the above
16. B. During the discharging of the capacitor of the integrator
17. C. Both staircase and analog input voltage
18. D. 1.024 ms
19. B. 976
20. A. Comparator
21. D. ladder network
22. A. ADC
23. D. 128 Hz
24. A. True
25. B. Astable multivibrator
26. A. Monostable multivibrator
27. C. Both square- and triangular-wave
28. D. All of the above
29. B. 53.33 kHz
30. C. 116.39 kHz
31. A. True
32. D. All of the above
33. C. 2
34. A. 90.91 kHz
35. C. Both 1070 Hz and 1270 Hz
FILL-IN-THE-BLANKS
1. A. linear, digital
2. C. either the plus or minus, the other
3. D. All of the above
4. C. either a dual power supply of 15 V or a single +5 V supply
5. B. any positive, low
6. D. within the high and the low reference voltages
7. C. either above the higher reference voltage or below the lower reference voltage
8. A. more, greater
9. B. comparator
10. D. 19.5 mV
11. A. 2VCC / 3, VCC / 3
12. C. RA and RB, RB
13. D. 1/3 VCC, 2/3 VCC
14. C. microseconds, many seconds
15. B. varying
16. C. both an external resistor and an external capacitor
17. D. All of the above
18. A. the same as
19. B. remove the sum frequency component
20. B. an external resistor
21. B. 14 V
22. A. high
23. D. 5 V, 0 V
24. B. –12 V, 12 V
25. D. All of the above
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