
Digital Communications
Authored by Rosanna Ucat
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KG - University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Law gives the relationship between time, information capacity, and bandwidth.
I = ktB
C = 2B log2M
C = B log2(1 + S/N)
SR = 2fmax
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Ignoring noise, the _________________________ theorem gives the maximum rate of data transmission for a given bandwidth.
I = ktB
C = 2B log2M
C = B log2(1 + S/N)
SR = 2fmax
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
The ____________________ limit gives the maximum rate of data transmission for a given bandwidth and a given signal-to-noise ratio.
I = ktB
C = 2B log2M
C = B log2(1 + S/N)
SR = 2fmax
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
The ____________________ Rate is the minimum sampling rate for converting analog signals to digital format.
I = ktB
C = 2B log2M
C = B log2(1 + S/N)
SR = 2fmax
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Natural Sampling does not use:
a sample-and-hold circuit
true binary numbers
a fixed sample rate
an analog-to-digital converter
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
The immediate result of sampling is:
a sample alias
PAM
PCM
PDM
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Foldover distortion is caused by:
noise
too many samples per second
too few samples per second
all of the above
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