Computer Science for IGCSE & O level - Algorithm Design And Problem Solving (Section 5 - No. 12)
Which of the following data validation methods is suitable for an algorithm that validates a user's age?
Type check
Format check
Range check
Presence check
Explication
A type check can be employed to ensure the input is a number. A range check ensures the age falls within the acceptable bounds. Presence check verifies if the user actually entered the age.