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MCQ

Q.

The idea of RZ and the idea of NRZ-L are combined into the ________ scheme.

A

Manchester

B

differential Manchester

C

both (a) and (b)

D

neither (a) nor (b)

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MCQ

1.

In ________, the phase of the carrier is varied to represent two or more different signal elements. Both peak amplitude and frequency remain constant.

A

ASK

B

PSK

C

FSK

D

QAM

Discussion

MCQ

2.

In _________, the frequency of the carrier signal is varied to represent data. Both peak amplitude and phase remain constant.

A

ASK

B

PSK

C

FSK

D

QAM

Discussion

MCQ

3.

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)

Discussion

MCQ

4.

The data rate is sometimes called the ___ rate

A

baud

B

bit

C

signal

D

none of the above

Discussion

MCQ

5.

In _______ transmission, bits are transmitted simultaneously, each across its own wire.

A

Asynchronous serial

B

Synchronous serial

C

Parallel

D

(a) and (b)

Discussion

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