Consider the following pseudocode: ```pseudocode DECLARE num1 : INTEGER DECLARE num2 : INTEGER DECLARE result : INTEGER INPUT num1 INPUT num2 IF num1 > num2 THEN result = num1 - num2 ELSE result = num2 - num1 END IF OUTPUT result ```

Mark scheme

Marking points from the official mark scheme. The mark or mark type is shown in brackets.

1. (a) B1 for 'To declare / create variables' or 'To assign a data type to variables' or 'To reserve memory for variables'.
2. (b) B1 for '5'.
3. (c) B1 for stating 'It calculates the difference between two numbers'.
4. B1 for further qualification, e.g., 'It calculates the absolute / positive difference between two numbers' or 'It calculates the magnitude of the difference regardless of order'.