Exercise: Communication Systems

Questions for: Communication Systems

Hue of a colour means
A:
amount of light energy received by eye
B:
predominant spectral purity of colour light
C:
amount of other colours present
D:
none of the above
Answer: B
No answer description is available. Let's discuss.
In communication systems, the modulating signal is also called
A:
base band signal
B:
side bands
C:
auxiliary signal
D:
none of the above
Answer: A
No answer description is available. Let's discuss.
The type of noise that interfere very much with high frequency transmission is
A:
white
B:
transit time
C:
flicker
D:
shot
Answer: B
No answer description is available. Let's discuss.
A better SNR can be obtained in a PCM by
A:
increasing sampling rate above Nyquist rate
B:
decreasing the code bits
C:
reducing channel bandwidth
D:
increasing Quantization levels
Answer: D
No answer description is available. Let's discuss.
If a signal band limited for fm is sampled at a rate less than 2 fm the reconstructed signal will be
A:
smaller in amplitude
B:
distorted
C:
having higher frequencies suppressed
D:
none of the above
Answer: B
No answer description is available. Let's discuss.
Ad Slot (Above Pagination)
Quiz