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Q.

______ provides redundancy to ensure synchronization and inherent error detection.

A

Block coding

B

Line coding

C

Scrambling

D

None of the above

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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.

If the bit rate for an FSK signal is 1200 bps, the baud rate is ________.

A

300

B

400

C

600

D

1200

Discussion

MCQ

3.

________ provides synchronization without increasing the number of bits.

A

Scrambling

B

Line coding

C

Block coding

D

None of the above

Discussion

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4.

Which of the following encoding methods does not provide for synchronization?

A

NRZ-L

B

RZ

C

NRZ-I

D

Manchester

Discussion

MCQ

5.

In _______ transmission, bits are transmitted over a single wire, one at a time.

A

asynchronous serial

B

synchronous serial

C

parallel

D

(a) and (b)

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