An online system is being developed for booking concert tickets. Customers must input various details, including their age, the number of tickets they wish to purchase (between 1 and 6), and their booking email address.
Validating inputs can prevent invalid data from being processed by the system.
Identify two different validation techniques and explain how each can be used to validate inputs in this ticket booking system.
Practise OCR GCSE Computer Science Defensive design with exam-style questions for GCSE Computer Science. 14 questions, matched to the OCR GCSE Computer Science (J277) specification and written in Component 01 and Component 02 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.