May/June 2026 Paper 12

Personal data is entered into a computer using a keyboard. The data is validated and verified during data entry. Describe two methods of data verification that can be used during data entry.

The personal data includes the date of birth, for example 05/07/2010. Complete the table by identifying two methods of validation that can be used on the date of birth. State how each validation method will be used for the date of birth.

The data needs to be kept secure whilst on the computer. A virus is a threat to data. Complete the table by describing what is meant by a virus. Identify and describe one method to restrict the risk posed by a virus.

A hacker is another threat to data. Complete the table by describing what is meant by a hacker. Identify and describe one method to restrict the risk posed by a hacker.