Constants, Variables and Data Types




Specification Reference

  • understand what is meant by the terms data and information
  • be able to describe the difference between a constant and a variable
  • understand when to use constants and variables in problem solving scenarios
  • understand the different data types available to them. As a minimum, students should know about integer, Boolean, real, character and string data types and how these are represented in the programming language(s) they are using
  • be able to explain the purpose of data types within code
  • understand and be able to program with 1 and 2 dimensional arrays
  • be able to use NOT, AND and OR when creating Boolean expressions and have experience in using these operators within coded solutions
Supporting Resources