Raspberry Pi For Beginners - 2022 Complete Course - Activity 08 - Solution
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Information Technology (IT), Architecture
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University
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Practice Problem
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the initial setup in the script?
To print the sensor output every 0.1 second
To create a new sensor
To delete existing code
To change the sensor type
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which GPIO pin is used for the LED in the setup?
Pin 20
Pin 19
Pin 18
Pin 17
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What condition is checked to turn on the LED?
If the sensor input is high
If the sensor input is low
If the LED is already on
If the LED is already off
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What might cause false positives or negatives in the sensor readings?
Environmental factors like light and wind
The length of the wires
The color of the LED
The type of power source used
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the observed behavior of the LED when motion is detected?
The LED changes color
The LED turns on
The LED turns off
The LED blinks rapidly
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