code.org Game Lab Variables Quiz

What is the syntax for declaring a variable in game lab?

• int variableName = value;

• var variableName = value;

• variable variableName = value;

• variableName = value;

How do you declare a variable to store a number in game lab?

• var variableName = 5;

• string variableName = 5;

• let variableName = 5;

• int variableName = 5;

In game lab, how do you declare a variable to store a string?

• string myString = 'Hello World';

• myString = 'Hello World';

• var myString = 'Hello World';

• var myString = Hello World;

How do you assign a value of 10 to a variable named 'score' in game lab?

• score = true;

• score = '10';

• score = 10;

• score = 10 + 5;

In game lab, if you encounter an error with a variable not being recognized, what is the first step in debugging?

• Ignore the error and continue coding

• Restart the entire program

• Check if the variable is properly declared and initialized.

• Delete the variable and create a new one

What is the common mistake when assigning a value to a variable in game lab?

• Using the 'let' keyword instead of 'var'

• Assigning a value to a variable that is already declared

• Not using any keyword before the variable name

• Forgetting to use the 'var' keyword

How can you troubleshoot a variable that is not displaying the expected value in game lab?

• Debug the code to identify any errors in variable assignment or manipulation.

• Restart the computer

• Delete the variable

• Change the game settings

When debugging variables in game lab, what is the importance of checking for typos and syntax errors?

• Typos and syntax errors have no impact on the code

• It is not important to check for typos and syntax errors

• It is important to ensure that the code runs smoothly and without any errors.

• Checking for typos and syntax errors can be done at a later stage

What is the width of this shape? rect(200, 100, 75, 50);

• 200

• 100

• 75

• 50

In Game Lab, what coordinates (x and y value) are in the very center of the grid?

• (0,0)

• (200,200)

• (400,400)

• (0,400)

Answer explanation

The Game Lab grid is 400x400. The top left corner is (0,0) and the bottom right corner is (400,400).