JavaScript CFE Review #2

Which data type would you use to store a person's name in a program?

• String

• Integer

• Boolean

• Double

If you need to store a number with a decimal point, which data type should you use?

• Double

• Integer

• Boolean

• String

What is the main purpose of a string variable?

• To store sequences of characters

• To store true or false values

• To store whole numbers

• To store decimal numbers

What is the best data type to use for storing a person's first initial?

• Character

• Integer

• Boolean

• Double

If you want to store the answer to a question like "Is the light on?", which data type should you use?

• Boolean

• Integer

• Double

• Character

Which operation is used to add two numbers in most programming languages?

• +

• -

• *

• /

What is the result of the expression 5 % 2?

• 1

• 2

• 0

• 2.5

Which operator is used for multiplication in most programming languages?

• *

• /

• +

• %

What does the += operator do?

• Adds a value to a variable and assigns the result to that variable

• Subtracts a value from a variable

• Multiplies a variable by a value

• Divides a variable by a value

Which datatype would you use to store a person's name?

• String

• Integer

• Boolean

• Double