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MCQ

Q.

ASK, PSK, FSK, and QAM are examples of ________ conversion.

A

digital-to-digital

B

digital-to-analog

C

analog-to-analog

D

analog-to-digital

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MCQ

1.

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

2.

If the bit rate for an FSK signal is 1200 bps, the baud rate is ________.

A

300

B

400

C

600

D

1200

Discussion

MCQ

3.

________ conversion is the representation of analog information by an analog signal.

A

Digital-to-analog

B

Analog-to-analog

C

Analog-to-digital

D

Digital-to-digital

Discussion

MCQ

4.

The ________ mode provides synchronization for the entire stream of bits must. In other words, it guarantees that the data arrive at a fixed rate.

A

synchronous

B

asynchronous

C

isochronous

D

none of the above

Discussion

MCQ

5.

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

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