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eraser
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magnet
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fairy
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lifesaver
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15
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Which of the following is NOT a benefit of using digital signals?
they can be transmitted over long distances
more reliable recordings
recordings maintain their original form
they can be stored for future recovery
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15
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Does this image represent an analog signal or a digital signal?
anaolg
anlog
analog
analg
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15
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What does the finite range of a digital signal lie between?
0 to 100
0 to 1
10 to 100
a to b
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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
computer networking
military & space applications
medicine & surgery
clothing manufacturing
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gift
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baam
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15
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Which type of transmission cable uses light instead of electricity to quickly transmit signals?
copper wire
fiber-optics
modems
metallic wire
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15
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Which of the following is NOT true about digital signals?
They have a faster rate of transmission.
They are easier and more reliable to transmit.
They use binary values for data.
They are replicas of sound waves.
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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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Which of the following technologies does NOT use wireless digital signals?
Bluetooth
WiFi connectivity
3G, 4G, LTE
AM radio
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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
all of these have advanced science
faster, worldwide communication
digital transmission of space probes
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15
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Digital signals have a finite range of values.
True
False
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fairy
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lifesaver
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15
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Which type of signal maintains the quality of that signal or recording?
dgital
digital
digitl
digtal
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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
radio
gamma
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Digital technology has created huge advancements in science.
False
True
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