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Communication Systems

Communication Systems
Full duplex operation permits transmission in both directions at the same time.

False
True

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Communication Systems
As per Shannon-Hartley theorem, a noise less Gaussian channel has

Infinite capacity
Zero capacity
Small capacity
None of these

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Communication Systems
VSB modulation is preferred in TV because

It reduces the bandwidth requirement to half
None of these
It avoids phase distortion at low frequencies
It results in better reception

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Communication Systems
If sampling is done at the rate of 10 kHz. The bandwidth required is

10 kHz
70 kHz
35 kHz
1280 kHz

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Communication Systems
To eliminate ghosts in the picture

Use a longer transmission line
Connect a booster
Change the antenna orientation of location
Twist the transmission line

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Communication Systems
A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be

Correlated
Orthogonal
Uncorrelated
Statistically independent

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