Lesson 07: If Statement Conditionals: Arduino Course for Absolute Beginners

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of using an if-else statement in programming?
To execute code based on a condition
To declare variables
To define a function
To repeat a block of code multiple times
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component is used to adjust the resistance in the circuit?
Potentiometer
Resistor
Alligator clip
LED
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the 220 ohm resistor in the circuit?
To store energy
To connect components
To increase voltage
To limit current
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the potentiometer affect the voltage in the circuit?
It increases the voltage
It decreases the voltage
It changes the voltage based on its position
It has no effect on the voltage
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the analogRead in the Arduino sketch?
To write digital signals
To read analog voltage values
To initialize variables
To set pin modes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the Arduino sketch, what does the constant 'threshold' represent?
The voltage level to turn the LED on
The maximum voltage
The resistance value
The minimum voltage
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which function is used to set up communication between the Arduino and the computer?
pinMode
analogRead
digitalWrite
Serial.begin
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