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MCQ

Q.

______ substitutes four consecutive zeros with 000V or B00V

A

B4B8

B

HDB3

C

B8ZSf

D

none of the above

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Similar Questions

MCQ

1.

. In _______ encoding, the duration of the bit is divided into two halves. The voltage remains at one level during the first half and moves to the other level in the second half. The transition at the middle of the bit provides synchronization.

A

Manchester

B

differential Manchester

C

both (a) and (b)

D

neither (a) nor (b)

Discussion

MCQ

2.

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

3.

Analog-to-analog conversion is needed if the available bandwidth is _______

A

low-pass

B

band-pass

C

either (a) or (b)

D

neither (a) nor (b)

Discussion

MCQ

4.

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)

Discussion

MCQ

5.

The constellation diagram of BASK has ______ dots

A

2

B

1

D

none of the above

Discussion

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