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Variables & Constants - Guided Learning

Read the revision notes one at a time, with a quick check after each one. Get one wrong and you can look back at the note and try again, then there's a final round of the ones you missed.

  1. Variables and Constants
  2. Valid Identifiers
  3. Meaningful Identifiers
  4. Program Structure and Command Sequences
  5. Input, Output and Type Conversion
  6. Selection: IF and ELSE
  7. Condition-Controlled Loops: WHILE and REPEAT UNTIL
  8. FOR Loops
  9. One- and Two-Dimensional Arrays
  10. Subprograms
  11. Parameters and Return Values
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