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MCQ

Q.

Baseband transmission of a digital signal is possible only if we have a ____ channel

A

low-pass

B

bandpass

C

low rate

D

high rate

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MCQ

1.

In a time-domain plot, the horizontal axis is a measure of ________.

A

signal amplitude

B

frequency

C

phase

D

time

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2.

________ is a type of transmission impairment in which the signal loses strength due to the different propagation speeds of each frequency that makes up the signal.

A

Attenuation

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Noise

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Decibel

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3.

_______ data are continuous and take continuous values.

A

analog

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digital

C

(a) or (b)

D

none of the above

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As frequency increases, the period ________.

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remains the same

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

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throughput

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wavelength of the signal

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distortion factor

D

distance a signal or bit has traveled

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