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MCQ

Q.

AM and FM are examples of ________ conversion.

A

digital-to-digital

B

digital-to-analog

C

analog-to-analog

D

analog-to-digital

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Similar Questions

MCQ

1.

_______ encoding has a transition at the middle of each bit.

A

RZ

B

Manchester

C

Differential Manchester

D

All the above

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2.

In _____, the level of the voltage determines the value of the bit.

A

NRZ-I

B

NRZ-L

C

both (a) and (b)

D

neither (a) nor (b)

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3.

________ uses two carriers, one in-phase and the other quadrature

A

ASK

B

PSK

C

FSK

D

QAM

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4.

The Nyquist theorem specifies the minimum sampling rate to be_______.

A

equal to the lowest frequency of a signal

B

equal to the highest frequency of a signal

C

twice the bandwidth of a signal

D

twice the highest frequency of a signal

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5.

Which quantization level results in a more faithful reproduction of the signal?

A

2

B

8

C

16

D

32

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