2.1 - Declaration and Assignment

What is the equivalent of variable declaration in Scratch?

• "create a variable"

• "make a variable"

• "define a variable"

• "initialize a variable"

Why is it important for the compiler to know the data type of a variable?

• To increase the speed of the program

• To interpret statements correctly

• To reduce memory usage

• To enhance graphics

What is the purpose of named constants?

• To store temporary data

• To represent values that mean something and do not need to change

• To perform calculations

• To create dynamic variables

Which of the following is NOT a constant?

• firstName

• DAYS_IN_YEAR

• PI

• GRAVITY

What is the significance of using constants in programming?

• They allow for dynamic data changes

• They provide fixed values that enhance code readability and maintainability

• They are used for temporary data storage

• They are only used in debugging

Using the following code: score = lives * 3.

What is the value of "score" if "lives" is 3?

• 6

• 9

• 12

• 15

What is the significance of assigning 7 to days_in_week?

• It represents a week

• It represents a month

• It represents a year

• It represents a day

What does assigning 24 to hours_in_day represent?

• A day

• A week

• A month

• A year

What data type of value is assigned to the variable colour?

• Integer

• Boolean

• String

• Float

What is the purpose of using variables in programming?

• To store data that can change during program execution

• To create static data that never changes

• To enhance the speed of the program

• To debug the program