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15
×
In which type of technology does the recording of a wave get used in its original form?
digital
gamma
analog
radio
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15
×
Why are analog signals prone to distortion & decreased transmission quality?
The amplitude of a wave is too high.
Noise can interrupt the signals.
The frequency of waves changes quickly.
Each phase cannot store enough information.
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15
×
Which of the following technologies does NOT use wireless digital signals?
AM radio
WiFi connectivity
3G, 4G, LTE
Bluetooth
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15
×
Analog signals are able to carry more information than digital signals.
True
False
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15
×
Which type of digital signal has been used to advance science & scientific investigations?
faster, worldwide communication
all of these have advanced science
digital probes for lab use
digital transmission of space probes
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15
×
What does the finite range of a digital signal lie between?
0 to 100
a to b
10 to 100
0 to 1
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15
×
Which of the following is NOT true about digital signals?
They are easier and more reliable to transmit.
They are replicas of sound waves.
They use binary values for data.
They have a faster rate of transmission.
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seesaw
Swap points!
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shark
Other team loses 20 points!
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rocket
Go to first place!
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banana
Go to last place!
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15
×
The use of fiber-optics to transmit digital signals has created advances in all of these EXCEPT
clothing manufacturing
medicine & surgery
computer networking
military & space applications
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15
×
Does this image represent an analog signal or a digital signal?
analog
analg
anlog
anaolg
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15
×
Digital signals have a finite range of values.
True
False
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15
×
Which type of transmission cable uses light instead of electricity to quickly transmit signals?
fiber-optics
copper wire
modems
metallic wire
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trap
No points!
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shark
Other team loses 25 points!
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×
fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 15 points!
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15
×
Digital technology has created huge advancements in science.
True
False
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trap
No points!
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seesaw
Swap points!
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×
shark
Other team loses 25 points!
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×
lifesaver
Give 20 points!
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15
×
Which type of signal maintains the quality of that signal or recording?
digitl
dgital
digital
digtal
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