Communication System 2(TTA)

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1. Which of the following is not a digital-to-analog conversion
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Communication System 2(TTA) - Quiz

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1. NUMBER OF QUESTIONS 25
2. HAS A TIME LIMIT OF 15 MINUTES
3. HAS A PASS MARKS OF 30%
4. QUESTIONS PER PAGE 1
5. EACH QUESTIONS HAS 1 MARKS
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2. In _____ transmission, the carrier signal is modulated so that its amplitude varies with the changing amplitudes of the modulating signal
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3. Which of the following is not an analog-to-analog conversion?
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4. _________ conversion is the representation of analog information by an analog signal.
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5. In _________, the frequency of the carrier signal is varied to represent data. Both peak amplitude and phase remain constant
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6. The constellation diagram of BPSK has ______ dots
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7. In ________, the amplitude of the carrier signal is varied to create signal elements. Both frequency and phase remain constant
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8. In ________, the phase of the carrier is varied to represent two or more different signal elements. Both peak amplitude and frequency remain constant
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9. FCC stands for
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10. Quadrature amplitude modulation (QAM) is a combination of ____
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11. ________ uses two carriers, one in-phase and the other quadrature
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12. How many carrier frequencies are used in BFSK
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13. A constellation diagram shows us the __________ of a signal element, particularly when we are using two carriers (one in-phase and one quadrature)
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14. If the baud rate is 400 for a QPSK signal, the bit rate is ________ bps
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15. The constellation diagram of BASK has ______ dots.
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16. How many carrier frequencies are used in BASK
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17. How many carrier frequencies are used in QPSK
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18. In _______, the peak amplitude of one signal level is 0; the other is the same as the amplitude of the carrier frequency
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19. How many carrier frequencies are used in BPSK
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20. Given an AM radio signal with a bandwidth of 10 KHz and the highest-frequency component at 705 KHz, what is the frequency of the carrier signal?
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21. If the bit rate for an FSK signal is 1200 bps, the baud rate is
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22. If the bit rate for an ASK signal is 1200 bps, the baud rate is
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23. Analog-to-analog conversion is needed if the available bandwidth is _______.
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24. _______ conversion is the process of changing one of the characteristics of an analog signal based on the information in the digital data
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25. In _____ transmission, the phase of the carrier signal is modulated to follow the changing voltage level (amplitude) of the modulating signal
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Which of the following is not a digital-to-analog conversion
In _____ transmission, the carrier signal is modulated so that its...
Which of the following is not an analog-to-analog conversion?
_________ conversion is the representation of analog information by an...
In _________, the frequency of the carrier signal is varied to...
The constellation diagram of BPSK has ______ dots
In ________, the amplitude of the carrier signal is varied to create...
In ________, the phase of the carrier is varied to represent two or...
FCC stands for
Quadrature amplitude modulation (QAM) is a combination of ____
________ uses two carriers, one in-phase and the other quadrature
How many carrier frequencies are used in BFSK
A constellation diagram shows us the __________ of a signal element,...
If the baud rate is 400 for a QPSK signal, the bit rate is ________...
The constellation diagram of BASK has ______ dots.
How many carrier frequencies are used in BASK
How many carrier frequencies are used in QPSK
In _______, the peak amplitude of one signal level is 0; the other is...
How many carrier frequencies are used in BPSK
Given an AM radio signal with a bandwidth of 10 KHz and the...
If the bit rate for an FSK signal is 1200 bps, the baud rate is
If the bit rate for an ASK signal is 1200 bps, the baud rate is
Analog-to-analog conversion is needed if the available bandwidth is...
_______ conversion is the process of changing one of the...
In _____ transmission, the phase of the carrier signal is modulated to...
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