Exercise: Communication Systems

Questions for: Communication Systems

Typical value of power consumption of TV transmitter is
A:
0.5 kVA
B:
2 kVA
C:
50 kVA
D:
1000 kVA
Answer: C
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The first geostationary satellite was named
A:
Intelsat I
B:
Intelsat II
C:
Intelsat III
D:
Early bird
Answer: D
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Bipolar signalling uses the following bits
A:
-1, +1
B:
-1, 0, +1
C:
0, 1
D:
-1, 0
Answer: B
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A signal having uniformly distributed amplitude in the interval (- V to + V) is to be encoded using PCM with uniform quantization. The signal to quantization noise ratio is determined by
A:
dynamic range of signal
B:
sampling rate
C:
number of quantizing levels
D:
power spectrum of signal
Answer: B
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When a wave reaches the open circuited end of a line
A:
all the forward energy is reflected by the open circuit
B:
all the forward energy is absorbed by the open circuit
C:
a small portion of energy is radiated into atmosphere and the remaining energy is reflected
D:
either (a) or (b)
Answer: C
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