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MCQ

Q.

The idea of RZ and the idea of NRZ-I 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 ______ schemes, the voltages are on the both sides of the time axis. For example, the voltage level for 0 can be positive and the voltage level for 1 can be negative.

A

polar

B

bipolar

C

unipolar

D

all of the above

Discussion

MCQ

2.

. Two common scrambling techniques are ________

A

NRZ and RZ

B

AMI and NRZ

C

B8ZS and HDB3

D

Manchester and differential Manchester

Discussion

MCQ

3.

The most common technique to change an analog signal to digital data is called __________.

A

PAL

B

PCM

C

sampling

D

none of the above

Discussion

MCQ

4.

Unipolar, bipolar, and polar encoding are types of _______ encoding.

A

line

B

block

C

NRZ

D

Manchester

Discussion

MCQ

5.

_______ encoding has a transition at the beginning of each 0 bit.

A

RZ

B

Manchester

C

Differential Manchester

D

All the above

Discussion

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