45. Programming 1 : Data Types and Casting

What data type should be used to store a whole number?

• Boolean

• String

• Integer

• Float

Which data type uses more memory to store the number 22?

• Float

• Boolean

• Character

• Integer

What is the result of concatenating '8' and '5' if they are stored as strings?

• 13

• 85

• 40

• None of the above

What command is used to convert a data type into a string?

• INT

• FLOAT

• BOOL

• STR

What data type should be used to store a user's age?

• Boolean

• String

• Integer

• Character

Why should a telephone number be stored as a string?

• Because it represents a true or false value

• Because it is a whole number

• Because it can start with a zero

• Because it contains letters

What is casting in programming?

• A type of data structure

• A method of inputting data

• Changing a data type from one type to another

• Changing a variable's value

Which of the following is NOT a data type mentioned in the text?

• Integer

• Real

• Character

• Array

What data type should be used to store a flag indicating if something has happened or not?

• Float

• Boolean

• Integer

• String

What is the correct data type for storing a person's name?

• String

• Integer

• Boolean

• Character