Programming - Data Types

Which of the following is not a data type?

• Number
• Text
• Word
• Desk

Variables and constants in programs need to be assigned a data type.

• True
• False

What data type would be best used to record the number of people at a party?

• Integer
• Real
• String
• Boolean

What data type would be best to record the exact length of a piece of string in meters?

• Real
• Boolean
• Decimal
• Integer

Expressions cannot contain variables of different data types.

• False
• True

Integers cannot store negative numbers.

• False
• True

If you store a smaller number in an integer, (say 10 instead of 1234,) it will take up less memory.

• False
• True

Data types of variables can never be changed.

• False
• True

What data type would be best used to record an email address?

• String
• Integer
• Real
• Character

What data type would be the answer to the expression x < 5?

• Boolean
• Character
• Real
• String