Handling Data in Algorithms

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Candidates should be able to:

  • define the terms variable and constant as used in an imperative language
  • use variables and constants
  • describe the data types integer, real, Boolean, character and string
  • select and justify appropriate data types for a given program
  • perform common operations on numeric and Boolean data
  • use one-dimensional arrays.

What are constants and variables?
Constants are symbolic names given to data where the value of the data cannot change during the execution of the program . . .

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