Validation Basics
What validation is and why it is used.
Validation and Verification
Practise validation checks, verification methods and check digits.
Validation Checks
Range, length, type, presence and format checks.
Validation Algorithms
Pseudocode examples for validation and verification methods.
Check Digits
What check digits are and how they help spot errors.
Verification
Visual check and double entry check.
Exam Questions
Past-paper style questions on validation and verification.