The Complete Beginners Guide to Arduino - 2021 - Blink 3 LEDs - State Machine

The Complete Beginners Guide to Arduino - 2021 - Blink 3 LEDs - State Machine

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

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The video tutorial introduces state machines and arrays, explaining how to use them to control LEDs. It covers creating arrays, understanding their elements, and implementing logic to change LED states. The tutorial includes coding a state machine, testing, and debugging the setup to ensure correct LED behavior.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a state machine used for in the context of LED control?

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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