Arduino Level 1 Quiz

Quiz
•
Computers
•
6th - 8th Grade
•
Hard
Advanced Superlogic
Used 2+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if you change the resistor in an Arduino LED circuit to a higher value like 10k ohms compared to 1k ohms?
The LED becomes brighter.
The LED becomes dimmer.
The LED turns off.
The LED blinks faster.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an Arduino program, how can you make three Red LEDs turn on together for 3 seconds?
Use the delay(300).
Use the delay(3000).
Use the delay(30000).
Use the delay(30).
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When the resistor value in an LED circuit is increased, what happens to the current through the LED?
Increases
Decreases
Stays the same
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of the delay() function in an Arduino program?
To pause the program for a specified amount of time.
To increase the voltage to an LED.
To change the resistance in a circuit.
To make Arduino to stop the program.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you want to make the Red LED in the traffic light program stay on longer, which part of the code would you need to modify?
The delay() value for the Red LED.
The pinMode() for the Red LED.
The digitalWrite() for the Red LED.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of a resistor in an LED circuit?
To control the brightness of the LED.
To control the color of the LED.
To turn the LED on and off.
To provide power to the Arduino.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of the USB connection on an Arduino Uno?
To power the Arduino Uno
To connect to a Wi-Fi network
To upload sketches (programs) to the Arduino
To display output on an LCD screen
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