Computer Science for IGCSE & O level - Algorithm Design And Problem Solving (Section 4 - No. 4)
What is the purpose of a 'range check' in data validation?
To ensure the input data is of the correct data type.
To check if the input value is within a pre-defined acceptable range.
To verify that a password has a specific number of characters.
To ensure that only positive numbers are entered.
解释
A range check confirms that an input falls within a specific lower and upper bound.