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Qualifications Edexcel GCSE Computer Science 6.4 Input/output

Input Validation - 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. Input Validation
  2. Presence Checks
  3. Length Checks
  4. Range Checks
  5. Pattern Checks
  6. Multiple Validation Checks
  7. Comparison Operators and Conditions
  8. Combining Conditions
  9. Text Input and Casting
  10. Validation Loops
  11. Limitations of Validation
  12. Authentication
  13. Authentication by Lookup
  14. Validation vs Authentication
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Learn: Input Validation Flashcards: Input Validation