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lifesaver
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star
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gift
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banana
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15
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Which of the following is NOT a benefit of using digital signals?
they can be stored for future recovery
they can be transmitted over long distances
recordings maintain their original form
more reliable recordings
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15
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Does this image represent an analog signal or a digital signal?
anlog
analog
analg
anaolg
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baam
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gift
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shark
Other team loses 20 points!
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lifesaver
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15
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Analog signals are able to carry more information than digital signals.
True
False
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15
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Why are analog signals prone to distortion & decreased transmission quality?
Noise can interrupt the signals.
The amplitude of a wave is too high.
The frequency of waves changes quickly.
Each phase cannot store enough information.
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15
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Which type of transmission cable uses light instead of electricity to quickly transmit signals?
metallic wire
copper wire
fiber-optics
modems
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15
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What does the finite range of a digital signal lie between?
10 to 100
0 to 100
0 to 1
a to b
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15
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Which of the following is NOT true about digital signals?
They use binary values for data.
They are replicas of sound waves.
They have a faster rate of transmission.
They are easier and more reliable to transmit.
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monster
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magnet
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gift
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banana
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15
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Digital technology has created huge advancements in science.
True
False
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15
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Digital signals have a finite range of values.
True
False
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15
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The use of fiber-optics to transmit digital signals has created advances in all of these EXCEPT
medicine & surgery
military & space applications
computer networking
clothing manufacturing
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15
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Which type of digital signal has been used to advance science & scientific investigations?
digital probes for lab use
faster, worldwide communication
digital transmission of space probes
all of these have advanced science
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15
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Which technology turns recorded waves into numbers that can be stored in a device?
analog
digital
gamma
radio
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15
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Which of the following technologies does NOT use wireless digital signals?
3G, 4G, LTE
Bluetooth
WiFi connectivity
AM radio
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