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eraser
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rocket
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gift
Win 15 points!
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thief
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5
10
15
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25
15
×
Digital signals have a finite range of values.
False
True
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15
×
Digital technology has created huge advancements in science.
True
False
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lifesaver
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seesaw
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rocket
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thief
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15
×
Which of the following is NOT true about digital signals?
They are easier and more reliable to transmit.
They have a faster rate of transmission.
They use binary values for data.
They are replicas of sound waves.
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thief
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25
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fairy
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shark
Other team loses 20 points!
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baam
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15
×
What does the finite range of a digital signal lie between?
0 to 100
10 to 100
0 to 1
a to b
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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
they can be stored for future recovery
more reliable recordings
recordings maintain their original form
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15
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Why are analog signals prone to distortion & decreased transmission quality?
The frequency of waves changes quickly.
Noise can interrupt the signals.
Each phase cannot store enough information.
The amplitude of a wave is too high.
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15
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Which type of signal maintains the quality of that signal or recording?
digital
digtal
digitl
dgital
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15
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Which technology turns recorded waves into numbers that can be stored in a device?
digital
gamma
radio
analog
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15
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Does this image represent an analog signal or a digital signal?
anaolg
anlog
analg
analog
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baam
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shark
Other team loses 25 points!
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fairy
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5
10
15
20
25
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thief
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5
10
15
20
25
15
×
Which type of transmission cable uses light instead of electricity to quickly transmit signals?
fiber-optics
modems
metallic wire
copper wire
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15
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Which of the following technologies does NOT use wireless digital signals?
AM radio
3G, 4G, LTE
Bluetooth
WiFi connectivity
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15
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Which type of digital signal has been used to advance science & scientific investigations?
digital transmission of space probes
faster, worldwide communication
all of these have advanced science
digital probes for lab use
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