Team 1
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Team 2
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Teams
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Score
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15
×
Which signal is more susceptible to background noise/interference?
Analog Signals
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15
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Which signal is smooth and continuous?
Analog Signals
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seesaw
Swap points!
Oops!
×
gift
Win 10 points!
Okay!
×
gift
Win 25 points!
Okay!
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thief
Give points!
5
10
15
20
25
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baam
Lose 20 points!
Oops!
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seesaw
Swap points!
Okay!
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fairy
Take points!
5
10
15
20
25
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banana
Go to last place!
Oops!
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eraser
Reset score!
Oops!
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fairy
Take points!
5
10
15
20
25
×
gift
Win 15 points!
Okay!
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banana
Go to last place!
Oops!
15
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What transmits information?
Waves
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Which signal is made up of infinite possible values?
Analog Signals
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All waves transfer what?
Energy
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15
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When an electromagnetic waves has been encoded, we say the wave has been...
modulated
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15
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Which signal has waves with a step-like appearance?
Digital Signals
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15
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Which signal is shown on this graph?
Analog Signals
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15
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Which signal can only take on the values of 0 or 1?
Digital Signals
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When the sender and receiver agree on what the signal means
Encoding
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True or False: This image could be described as pixelated.
False
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The process of varying the properties of a wave in order to encode information is called...
modulation
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15
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True or False: Noise does not have as large an effect on digital signals because they have defined levels.
True
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