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MCQ

Q.

The constellation diagram of BASK has ______ dots

A

2

B

1

D

none of the above

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Similar Questions

MCQ

1.

In a _____ scheme, all the signal levels are on one side of the time axis, either above or below.

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 _____ scheme uses data patterns of size 2 and encodes the 2-bit patterns as one signal element belonging to a four-level signal

A

4B5B

B

2B1Q

C

MLT-3

D

none of the above

Discussion

MCQ

4.

In QAM, both ________ of a carrier frequency are varied.

A

frequency and amplitude

B

phase and frequency

C

amplitude and phase

D

none of the above

Discussion

MCQ

5.

The signal rate is sometimes called the ____ rate

A

baud

B

bit

C

signal

D

none of the above

Discussion

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