Quiz on Variables and Arrays

How do you create a variable named score and set it to 10 in Small Basic?

• `score == 10`

• `score = 10`

• `var score = 10`

• `define score 10`

What does the variable age represent after this line of code? age = 7 + 5

• The value assigned to age is 7

• The value assigned to age is 5

• The value assigned to age is 75

• The value assigned to age is 12

After this line of code: name = "Alice" What type of value does the variable name hold?

• A number

• A Boolean value

• The text Alice

• Nothing, this is invalid

A student writes the following code: ``` length = 10 width = 5 area = length * width ``` Which variable stores the result of multiplying length and width?

• length

• area

• width

• result

What is the main purpose of a variable in Small Basic?

• It permanently stores a value that can never be changed

• It stores a value that can be used and changed while the program runs

• It only stores text values

• It is used only for mathematical calculations

What value will be shown after running this code? ``` colour = "Blue" colour = "Red" TextWindow.WriteLine(colour) ```

• Blue

• BlueRed

• Red

• An error message

A student wants to store their favourite number in a variable. They write: ``` favouriteNumber = 6 ``` What is the value stored in favouriteNumber?

• 6

• 62

• 8

• 12

A student is learning about variables in programming. They define: ``` length = 8 width = 3 ``` Which line of code correctly creates a new variable called perimeter and assigns it the value of 2 * (length + width)?

• `perimeter = length + width`

• `perimeter = 2 * length * width`

• `perimeter = 2 * (length + width)`

• `perimeter = length * width`

A student is learning about variables. They write: ``` pricePerItem = 3 numberOfItems = 7 discount = 5 ``` Which variable stores the number of items?

• pricePerItem

• numberOfItems

• discount

• totalCost

Which line of code assigns the value 15 to a variable called total?

• total := 15

• set total 15

• total == 15

• total = 15