30-Day Challenge: Quiz 4 of 6 Copy

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Question 1 of 7

1. Question
“RGB” (when talking about lights) refers to…?
- Red, Green, and Blue. It's a game where you catch and fight with monsters that was originally released back in the late 90's for handheld game devices, where the coolest kids chose the red starter.
- Rotational Gravity Barrier
- Red, Green, and Blue. By using these three colors, you can make any color you want depending on how much of each you put in. Usually a value between 0 and 255, where 0 is none and 255 is completely on. For instance, if you want a color like purple, you could set Red to 255, Green to 0, and Blue to 255. If you want it to be more red and less blue, you can then lower the blue value to something like 100 (or similar).
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Question 2 of 7

2. Question
“USB” (that big blue cable in the kit?) means..?
- Unified Sensor Beams
- Universal Serial Bus
- Underhanded Security Breaches
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Question 3 of 7

3. Question
Do you have any feedback for us to improve this lesson?
- This response will be awarded full points automatically, but it will be reviewed and possibly adjusted after submission.
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Question 4 of 7

4. Question
Which of the following choices aligns best with our understanding of “Digital”?
- Off/On, 0/1, false/true, LOW/HIGH.
- Within the range 0-100
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Question 5 of 7

5. Question
Which of the following best aligns with our understanding of “Analog”?
- Generally one of two states: ON or OFF.
- Generally within a wide range of values, such as a number between 0 and 100 like 50 or 76.9988002
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Question 6 of 7

6. Question
The pins on your HERO board with a “~” symbol in front of them signify that they are capable of Pulse Width Modulation, (or in other words, the ability to read/write the voltage across the line from basic HIGH/LOW to a large range of values using analogWrite() and analogRead()). What components below would you want to use ~PWM for over the regular digital I/O pins? (Hint available).
- Standard (2 pin) LED
- RGB (custom-color) LED (4 pin)
- Photoresistor (sensor used to read brightness levels in a previous lesson)
- Standard Button
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Hint

Hint: Think of cases where you would be dealing with Analog instead of Digital.

Turning on a regular LED would be digital because you are setting it to either ON or OFF. However, if you wanted to set an RGB LED to be 100% Red, 50% green, and 33% blue, you would need to use a much wider range of values to get that color!
Question 7 of 7

7. Question
“LED” and “OLED” stand for…?
- Light-emitting display and optimized light-emitting display (aka, optimized LED).
- Light-emitting diode and organic light-emitting diode (aka, organic LED).
- Lazer Energy Dinosaurs and Overpowered Lazer Energy Dinosaurs. (Godzilla was a good example)
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30-Day Challenge: Quiz 4 of 6 Copy

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