• String, character
• Numeric (integer and real) variables
• Graphical objects
• Boolean variables
• 1D arrays

All code examples are given in Visual basic. You can find more about this topic in chapter 2 of “How to Pass NATIONAL 5 Computing Science”

• String – text variable like name
  • DIM name as String
• Integer – a round number used for number of people or items
  • DIM age as Integer
• Real – contains decimals used for distances or measurements
  • DIM length as Single
• Graphical objects – pictures
• Boolean variables – Yes or No
  • DIM Quit as Boolean
• 1D arrays – used for a variable with many pieces of data all of the same data type.
  • DIM Pupilname (20) as String