It is the electric or electromagnetic impulses used to encode and transmit data.

DATACOMM-Q2

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Computers
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University
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Medium
Melissa Guillermo
Used 2+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Data
Signal
Communication
Noise
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
It is best described as the unwanted electrical or electromagnetic energy degrading signal quality and data.
Data
Signal
Communication
Noise
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the characteristics that data and signals have in common?
They are represented as continuous waveforms only
They are represented in the form of binary 1s and 0s only
They can exist in either analog or digital form
Not in the choices
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The range of frequencies that a signal spans from minimum to maximum is called the __________________?
Spectrum
Bandwidth
Period
Phase
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
It is a relative measure of signal loss or gain and it is used to measure the logarithmic loss or gain of a signal.
Data Rate
Decibel
Data Rate
Baud Rate
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
It is the weakening of a signal's strength due to noise, distance or other external factors.
Amplification
Attenuation
Decibel
Modulation
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
It is the number of times a signal makes a complete cycle within a given time frame.
Amplitude
Phase
Frequency
Period
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