A. 2
B. 3
C. 4
D. None of the above
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Data Communication MCQs
Bits at each level is calculated with.
A. 2 log L
B. 2 log
C. 10log10 L
D. None of the above
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Bit rate is equivalent to.
A. Time period
B. Frequency
C. Wavelength
D. None of the above
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A signal travels through an amplifier, and its power is increased 5 times. This means that.
A. P2 = P1
B. P1 = 5P2
C. P2 = 5P1
D. None of the above
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Due to __________ signals have different phases at the receiver than they did at the source.
A. Impairment
B. Distortion
C. Noise
D. Attenuation
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Frequency domain graph is plotted between __________ and __________.
A. Amplitude, Time
B. Frequency, Time
C. Frequency, Phase
D. Frequency, Amplitude
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Which of the formula is correct to measure wavelength.
A. wavelength= c/ f
B. wavelength= c * 1/f
C. wavelength= c * T
D. All of the above
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90 degree is equivalent to __________ of cycle.
A. 1/2
B. 1/4
C. 1/3
D. 1
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1 degree is.
A. 360/ 2 pi
B. 2 pi/ 360 degree
C. 360 degree
D. All of the above
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__________ depicts the position of cycle with respect to time.
A. Phase
B. Peak
C. Frequency
D. Period
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