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MCQ

Q.

How many carrier frequencies are used in BPSK?

A

2

B

1

D

none of the above

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MCQ

1.

In asynchronous transmission, the gap time between bytes is _______

A

fixed

B

variable

C

a function of the data rate

D

zero

Discussion

MCQ

2.

A _________ digital signal includes timing information in the data being transmitted.

A

self-synchronizing

B

self-modulated

C

self-transmitted

D

none of the above

Discussion

MCQ

3.

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

A

RZ

B

Manchester

C

Differential Manchester

D

All the above

Discussion

MCQ

4.

. _______ 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

5.

If the baud rate is 400 for a QPSK signal, the bit rate is ________ bps.

A

100

B

400

C

800

D

1600

Discussion

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