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Q.

Data can be ________.

A

analog

B

digital

C

(a) or (b)

D

none of the above

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MCQ

1.

________ is a type of transmission impairment in which the signal loses strength due to the resistance of the transmission medium.

A

Attenuation

B

Distortion

C

Noise

D

Decibel

Discussion

MCQ

2.

_______ data have discrete states and take discrete values.

A

Analog

B

Digital

C

(a) or (b)

D

None of the above

Discussion

MCQ

3.

. If the available channel is a ____ channel, we cannot send a digital signal directly to the channel

A

low-pass

B

bandpass

C

low rate

D

high rate

Discussion

MCQ

4.

When propagation speed is multiplied by propagation time, we get the ________.

A

throughput

B

wavelength of the signal

C

distortion factor

D

distance a signal or bit has traveled

Discussion

MCQ

5.

. If the maximum amplitude of a sine wave is 2 V, the minimum amplitude is ________ V.

A

2

B

1

C

-2

D

between -2 and 2

Discussion

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