Communicatin System 1(TTA)

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1. . In digital electronic circuits, information is first converted to a coded group of pulses

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Communicatin System 1(TTA) - Quiz

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1. NUMBER OF QUESTIONS 25
2. HAS A TIME LIMIT OF 15 MINUTES
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2. The bandwidth of an AM signal is ----- the highest frequency in the modulating signal

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3. The two basic types of signals are analog and------------

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4. Which of the following characterizes an analog quantity

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5. Which type of signal is represented by discrete values

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6. The value of madulation index in AM is

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7. In AM distortion caused by over modulation also produces adjacent channel interference

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8. In AM if the amplitude of the modulating signal is greater than the amplitude of the carrier,distortion will occur

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9. Two way SSB communication used in marine applications

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10. Digitizing a signal converts it from digital to analog

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11. The decimal code system used ten levels of voltage

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12. AM and FM are examples of ________ conversion.

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13. In ----- frequency or phase of carrier is varied in proportion with the amplitude of modulating signal.

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14. _____is used to suppress the lower sideband of TV signal

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15. The bandwidth of voice signal which has max. frequecy 3KHz is

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16. Disadvantage of DSB and SSB are

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17. Bessel functions are used in

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18. In QAM, both ________ of a carrier frequency are varied

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19. In AM the peak value of the modulating signal should be less than the peak value of the carrier.

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20. Which is most popular form of analog modulation

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21. Which is called as angle modulation

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22. Bandwidth is independent of signal bandwidth in case of

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23. Digital systems using the 10-state system are more accurate than those using the two-state system.

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24. ASK, PSK, FSK, and QAM are examples of ________ conversion

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25. In SSB which sideband can be used

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. In digital electronic circuits, information is first converted to a...
The bandwidth of an AM signal is ----- the highest frequency in the...
The two basic types of signals are analog and------------
Which of the following characterizes an analog quantity
Which type of signal is represented by discrete values
The value of madulation index in AM is
In AM distortion caused by over modulation also produces adjacent...
In AM if the amplitude of the modulating signal is greater than the...
Two way SSB communication used in marine applications
Digitizing a signal converts it from digital to analog
The decimal code system used ten levels of voltage
AM and FM are examples of ________ conversion.
In ----- frequency or phase of carrier is varied in proportion with...
_____is used to suppress the lower sideband of TV signal
The bandwidth of voice signal which has max. frequecy 3KHz is
Disadvantage of DSB and SSB are
Bessel functions are used in
In QAM, both ________ of a carrier frequency are varied
In AM the peak value of the modulating signal should be less than the...
Which is most popular form of analog modulation
Which is called as angle modulation
Bandwidth is independent of signal bandwidth in case of
Digital systems using the 10-state system are more accurate than those...
ASK, PSK, FSK, and QAM are examples of ________ conversion
In SSB which sideband can be used
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