Computer Science for IGCSE & O level - Algorithm Design And Problem Solving (Section 9 - No. 42)

Which of the following is an example of a format check?

Checking that the number of brothers/sisters is a whole number.

Checking that an email address is entered.

Checking that a postcode is in the format NNX 9NN.

Checking that the password is at least 8 characters long.

A format check ensures data conforms to a specific pattern, like a postcode.