What is a state machine used for in the context of LED control?
The Complete Beginners Guide to Arduino - 2021 - Blink 3 LEDs - State Machine

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To store the brightness levels of LEDs
To increase the power efficiency of LEDs
To change the color of LEDs
To manage different states of LED operations
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is an array defined in programming?
A function that performs calculations
A single variable storing multiple values
A conditional statement for decision making
A loop that iterates over numbers
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the index of an array start at zero?
To simplify mathematical operations
To represent the first element's position from the start
To match the number of elements in the array
Because it is a programming convention
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a byte variable overflows?
It causes a program crash
It wraps around to a lower value
It stores a negative value
It resets to zero
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you correct an overflow issue in a byte variable?
By using a loop to handle overflow
By reducing the number of elements
By using a larger data type like int
By increasing the array size
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a two-dimensional array?
An array with two elements
An array that stores data in a single line
An array with rows and columns
An array that can only store numbers
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are the states of multiple LEDs stored in a two-dimensional array?
Each column represents a different LED's states over time
Each row represents a different LED's states over time
All LED states are stored in a single row
Each LED state is stored in a separate array
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