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MCQ

Q.

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

A

NRZ-L

B

RZ

C

NRZ-I

D

Manchester

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MCQ

1.

. _______ conversion is the process of changing one of the characteristics of an analog signal based on the information in the digital data.

A

Digital-to-analog

B

Analog-to-analog

C

Analog-to-digital

D

Digital-to-digital

Discussion

MCQ

2.

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?

A

700 KHz

B

705 KHz

C

710 KHz

D

Cannot be determined from given information

Discussion

MCQ

3.

______ provides redundancy to ensure synchronization and inherent error detection.

A

Block coding

B

Line coding

C

Scrambling

D

None of the above

Discussion

MCQ

4.

PCM is an example of _______ conversion.

A

digital-to-digital

B

digital-to-analog

C

analog-to-analog

D

analog-to-digital

Discussion

MCQ

5.

. Two common scrambling techniques are ________

A

NRZ and RZ

B

AMI and NRZ

C

B8ZS and HDB3

D

Manchester and differential Manchester

Discussion

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