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MCQ

Q.

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

A

100

B

400

C

800

D

1600

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MCQ

1.

Which of the following is not a digital-to-analog conversion?

A

ASK

B

PSK

C

FSK

D

AM

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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

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3.

In ______ transmission, we send 1 start bit (0) at the beginning and 1 or more stop bits (1s) at the end of each byte.

A

synchronous

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asynchronous

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isochronous

D

none of the above

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4.

The constellation diagram of BASK has ______ dots

A

2

B

1

D

none of the above

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5.

A constellation diagram shows us the __________ of a signal element, particularly when we are using two carriers (one in-phase and one quadrature).

A

amplitude and phase

B

amplitude and frequency

C

frequency and phase

D

none of the above

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